115925917 has 2 divisors, whose sum is σ = 115925918. Its totient is φ = 115925916.

The previous prime is 115925903. The next prime is 115925933. The reversal of 115925917 is 719529511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79673476 + 36252441 = 8926^2 + 6021^2 .

It is an emirp because it is prime and its reverse (719529511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115925917 is a prime.

It is a super-4 number, since 4×115925917⁴ (a number of 33 digits) contains 4444 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115925917.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115925947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57962958 + 57962959.

It is an arithmetic number, because the mean of its divisors is an integer number (57962959).

Almost surely, 2^115925917 is an apocalyptic number.

It is an amenable number.

115925917 is a deficient number, since it is larger than the sum of its proper divisors (1).

115925917 is an equidigital number, since it uses as much as digits as its factorization.

115925917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28350, while the sum is 40.

The square root of 115925917 is about 10766.8898480480. The cubic root of 115925917 is about 487.5960513785.

The spelling of 115925917 in words is "one hundred fifteen million, nine hundred twenty-five thousand, nine hundred seventeen".