102517319 has 2 divisors, whose sum is σ = 102517320. Its totient is φ = 102517318.

The previous prime is 102517309. The next prime is 102517339. The reversal of 102517319 is 913715201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102517319 is a prime.

It is a super-2 number, since 2×102517319² = 21019601389895522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 102517291 and 102517300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102517309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51258659 + 51258660.

It is an arithmetic number, because the mean of its divisors is an integer number (51258660).

Almost surely, 2^102517319 is an apocalyptic number.

102517319 is a deficient number, since it is larger than the sum of its proper divisors (1).

102517319 is an equidigital number, since it uses as much as digits as its factorization.

102517319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 102517319 is about 10125.0836539754. The cubic root of 102517319 is about 468.0214380688.

The spelling of 102517319 in words is "one hundred two million, five hundred seventeen thousand, three hundred nineteen".