64652613 has 24 divisors (see below), whose sum is σ = 90422976. Its totient is φ = 41064000.

The previous prime is 64652603. The next prime is 64652647. The reversal of 64652613 is 31625646.

64652613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64652613 - 2⁴ = 64652597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64652603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 428088 + ... + 428238.

It is an arithmetic number, because the mean of its divisors is an integer number (3767624).

Almost surely, 2^64652613 is an apocalyptic number.

It is an amenable number.

64652613 is a deficient number, since it is larger than the sum of its proper divisors (25770363).

64652613 is a wasteful number, since it uses less digits than its factorization.

64652613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313 (or 254 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 64652613 is about 8040.6848588911. The cubic root of 64652613 is about 401.3550150690.

The spelling of 64652613 in words is "sixty-four million, six hundred fifty-two thousand, six hundred thirteen".