113257517 has 2 divisors, whose sum is σ = 113257518. Its totient is φ = 113257516.

The previous prime is 113257513. The next prime is 113257523. The reversal of 113257517 is 715752311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113081956 + 175561 = 10634^2 + 419^2 .

It is a cyclic number.

It is not a de Polignac number, because 113257517 - 2² = 113257513 is a prime.

It is equal to p_6479006 and since 113257517 and 6479006 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113257511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56628758 + 56628759.

It is an arithmetic number, because the mean of its divisors is an integer number (56628759).

Almost surely, 2^113257517 is an apocalyptic number.

It is an amenable number.

113257517 is a deficient number, since it is larger than the sum of its proper divisors (1).

113257517 is an equidigital number, since it uses as much as digits as its factorization.

113257517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7350, while the sum is 32.

The square root of 113257517 is about 10642.2515005050. The cubic root of 113257517 is about 483.8257873680.

The spelling of 113257517 in words is "one hundred thirteen million, two hundred fifty-seven thousand, five hundred seventeen".