65312264 has 8 divisors (see below), whose sum is σ = 122460510. Its totient is φ = 32656128.

The previous prime is 65312251. The next prime is 65312279. The reversal of 65312264 is 46221356.

It can be written as a sum of positive squares in only one way, i.e., 62884900 + 2427364 = 7930^2 + 1558^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4082009 + ... + 4082024.

Almost surely, 2^65312264 is an apocalyptic number.

It is an amenable number.

65312264 is a deficient number, since it is larger than the sum of its proper divisors (57148246).

65312264 is a wasteful number, since it uses less digits than its factorization.

65312264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8164039 (or 8164035 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 65312264 is about 8081.6003365670. The cubic root of 65312264 is about 402.7154080193.

The spelling of 65312264 in words is "sixty-five million, three hundred twelve thousand, two hundred sixty-four".