1001735677

This number is a prime.

The first substring of π required to obtain the prime 1001735677 as a subsequence is

3. 1 415926535897932384626433832795 0 28841971693993751 0 58209749445923078 1 640628620899862803482534211 7 06798214808651 3 282306647093844609 5 50582231725359408128481117450284102701938521105559 6 446229489549303819644288109 7 56659334461284 7.

This is the largest string (225-digits) needed for all the primes below 2^32. [Rivera]