65413312 has 14 divisors (see below), whose sum is σ = 129804668. Its totient is φ = 32706624.

The previous prime is 65413307. The next prime is 65413319. The reversal of 65413312 is 21331456.

It is not an unprimeable number, because it can be changed into a prime (65413319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510978 + ... + 511105.

It is an arithmetic number, because the mean of its divisors is an integer number (9271762).

Almost surely, 2^65413312 is an apocalyptic number.

It is an amenable number.

65413312 is a deficient number, since it is larger than the sum of its proper divisors (64391356).

65413312 is a wasteful number, since it uses less digits than its factorization.

65413312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022095 (or 1022085 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 65413312 is about 8087.8496524107. The cubic root of 65413312 is about 402.9229883199.

Adding to 65413312 its reverse (21331456), we get a palindrome (86744768).

The spelling of 65413312 in words is "sixty-five million, four hundred thirteen thousand, three hundred twelve".