64906313 has 8 divisors (see below), whose sum is σ = 66398400. Its totient is φ = 63427408.

The previous prime is 64906301. The next prime is 64906327. The reversal of 64906313 is 31360946.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64906313 - 2¹² = 64902217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64906313.

It is not an unprimeable number, because it can be changed into a prime (64906613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7028 + ... + 13386.

It is an arithmetic number, because the mean of its divisors is an integer number (8299800).

Almost surely, 2^64906313 is an apocalyptic number.

It is an amenable number.

64906313 is a deficient number, since it is larger than the sum of its proper divisors (1492087).

64906313 is a wasteful number, since it uses less digits than its factorization.

64906313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6591.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 64906313 is about 8056.4454320749. The cubic root of 64906313 is about 401.8793087521.

The spelling of 64906313 in words is "sixty-four million, nine hundred six thousand, three hundred thirteen".