65313936 has 30 divisors (see below), whose sum is σ = 182788710. Its totient is φ = 21771264.

The previous prime is 65313929. The next prime is 65313953. The reversal of 65313936 is 63931356.

It can be written as a sum of positive squares in only one way, i.e., 55353600 + 9960336 = 7440^2 + 3156^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 65313936.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 226641 + ... + 226928.

It is an arithmetic number, because the mean of its divisors is an integer number (6092957).

Almost surely, 2^65313936 is an apocalyptic number.

It is an amenable number.

65313936 is an abundant number, since it is smaller than the sum of its proper divisors (117474774).

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

65313936 is a wasteful number, since it uses less digits than its factorization.

65313936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453583 (or 453574 counting only the distinct ones).

The product of its digits is 43740, while the sum is 36.

The square root of 65313936 is about 8081.7037807631. The cubic root of 65313936 is about 402.7188445072.

The spelling of 65313936 in words is "sixty-five million, three hundred thirteen thousand, nine hundred thirty-six".