65313564 has 36 divisors (see below), whose sum is σ = 160852104. Its totient is φ = 20623968.

The previous prime is 65313557. The next prime is 65313571. The reversal of 65313564 is 46531356.

65313564 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (65313557) and next prime (65313571).

65313564 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3207 + ... + 11870.

It is an arithmetic number, because the mean of its divisors is an integer number (4468114).

Almost surely, 2^65313564 is an apocalyptic number.

It is an amenable number.

65313564 is an abundant number, since it is smaller than the sum of its proper divisors (95538540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65313564 is a wasteful number, since it uses less digits than its factorization.

65313564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15122 (or 15101 counting only the distinct ones).

The product of its digits is 32400, while the sum is 33.

The square root of 65313564 is about 8081.6807657813. The cubic root of 65313564 is about 402.7180799348.

The spelling of 65313564 in words is "sixty-five million, three hundred thirteen thousand, five hundred sixty-four".