523256113 has 2 divisors, whose sum is σ = 523256114. Its totient is φ = 523256112.

The previous prime is 523256093. The next prime is 523256137. The reversal of 523256113 is 311652325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 285880464 + 237375649 = 16908^2 + 15407^2 .

It is a cyclic number.

It is not a de Polignac number, because 523256113 - 2⁵ = 523256081 is a prime.

It is not a weakly prime, because it can be changed into another prime (523256813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261628056 + 261628057.

It is an arithmetic number, because the mean of its divisors is an integer number (261628057).

Almost surely, 2^523256113 is an apocalyptic number.

It is an amenable number.

523256113 is a deficient number, since it is larger than the sum of its proper divisors (1).

523256113 is an equidigital number, since it uses as much as digits as its factorization.

523256113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 28.

The square root of 523256113 is about 22874.7920864868. The cubic root of 523256113 is about 805.8201140135.

The spelling of 523256113 in words is "five hundred twenty-three million, two hundred fifty-six thousand, one hundred thirteen".