520956113 has 2 divisors, whose sum is σ = 520956114. Its totient is φ = 520956112.

The previous prime is 520956101. The next prime is 520956119. The reversal of 520956113 is 311659025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 515834944 + 5121169 = 22712^2 + 2263^2 .

It is a cyclic number.

It is not a de Polignac number, because 520956113 - 2⁴ = 520956097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 520956113.

It is not a weakly prime, because it can be changed into another prime (520956119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260478056 + 260478057.

It is an arithmetic number, because the mean of its divisors is an integer number (260478057).

Almost surely, 2^520956113 is an apocalyptic number.

It is an amenable number.

520956113 is a deficient number, since it is larger than the sum of its proper divisors (1).

520956113 is an equidigital number, since it uses as much as digits as its factorization.

520956113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 520956113 is about 22824.4630385909. The cubic root of 520956113 is about 804.6377048519.

The spelling of 520956113 in words is "five hundred twenty million, nine hundred fifty-six thousand, one hundred thirteen".