656625113 has 2 divisors, whose sum is σ = 656625114. Its totient is φ = 656625112.

The previous prime is 656625083. The next prime is 656625121. The reversal of 656625113 is 311526656.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 457617664 + 199007449 = 21392^2 + 14107^2 .

It is a cyclic number.

It is not a de Polignac number, because 656625113 - 2⁶ = 656625049 is a prime.

It is a Chen prime.

It is equal to p_34119791 and since 656625113 and 34119791 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (656625143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328312556 + 328312557.

It is an arithmetic number, because the mean of its divisors is an integer number (328312557).

Almost surely, 2^656625113 is an apocalyptic number.

It is an amenable number.

656625113 is a deficient number, since it is larger than the sum of its proper divisors (1).

656625113 is an equidigital number, since it uses as much as digits as its factorization.

656625113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 35.

The square root of 656625113 is about 25624.6973250417. The cubic root of 656625113 is about 869.1722046406.

The spelling of 656625113 in words is "six hundred fifty-six million, six hundred twenty-five thousand, one hundred thirteen".