113372257 has 4 divisors (see below), whose sum is σ = 116137476. Its totient is φ = 110607040.

The previous prime is 113372227. The next prime is 113372293. The reversal of 113372257 is 752273311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3876961 + 109495296 = 1969^2 + 10464^2 .

It is a cyclic number.

It is not a de Polignac number, because 113372257 - 2¹⁵ = 113339489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113372227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1382548 + ... + 1382629.

It is an arithmetic number, because the mean of its divisors is an integer number (29034369).

Almost surely, 2^113372257 is an apocalyptic number.

It is an amenable number.

113372257 is a deficient number, since it is larger than the sum of its proper divisors (2765219).

113372257 is an equidigital number, since it uses as much as digits as its factorization.

113372257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2765218.

The product of its digits is 8820, while the sum is 31.

The square root of 113372257 is about 10647.6409124275. The cubic root of 113372257 is about 483.9891184972.

The spelling of 113372257 in words is "one hundred thirteen million, three hundred seventy-two thousand, two hundred fifty-seven".