113663257 has 2 divisors, whose sum is σ = 113663258. Its totient is φ = 113663256.

The previous prime is 113663243. The next prime is 113663269. The reversal of 113663257 is 752366311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112869376 + 793881 = 10624^2 + 891^2 .

It is a cyclic number.

It is not a de Polignac number, because 113663257 - 2¹⁹ = 113138969 is a prime.

It is not a weakly prime, because it can be changed into another prime (113663227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56831628 + 56831629.

It is an arithmetic number, because the mean of its divisors is an integer number (56831629).

Almost surely, 2^113663257 is an apocalyptic number.

It is an amenable number.

113663257 is a deficient number, since it is larger than the sum of its proper divisors (1).

113663257 is an equidigital number, since it uses as much as digits as its factorization.

113663257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 34.

The square root of 113663257 is about 10661.2971537238. The cubic root of 113663257 is about 484.4028602331.

The spelling of 113663257 in words is "one hundred thirteen million, six hundred sixty-three thousand, two hundred fifty-seven".