64956113 has 4 divisors (see below), whose sum is σ = 64984128. Its totient is φ = 64928100.

The previous prime is 64956097. The next prime is 64956131. The reversal of 64956113 is 31165946.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64956113 - 2⁴ = 64956097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64952113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10181 + ... + 15282.

It is an arithmetic number, because the mean of its divisors is an integer number (16246032).

Almost surely, 2^64956113 is an apocalyptic number.

It is an amenable number.

64956113 is a deficient number, since it is larger than the sum of its proper divisors (28015).

64956113 is a wasteful number, since it uses less digits than its factorization.

64956113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28014.

The product of its digits is 19440, while the sum is 35.

The square root of 64956113 is about 8059.5355325230. The cubic root of 64956113 is about 401.9820644127.

The spelling of 64956113 in words is "sixty-four million, nine hundred fifty-six thousand, one hundred thirteen".