65232665 has 16 divisors (see below), whose sum is σ = 81924048. Its totient is φ = 49810176.

The previous prime is 65232653. The next prime is 65232691. The reversal of 65232665 is 56623256.

It can be written as a sum of positive squares in 8 ways, for example, as 123904 + 65108761 = 352^2 + 8069^2 .

It is a cyclic number.

It is not a de Polignac number, because 65232665 - 2²² = 61038361 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6479 + ... + 13131.

It is an arithmetic number, because the mean of its divisors is an integer number (5120253).

Almost surely, 2^65232665 is an apocalyptic number.

It is an amenable number.

65232665 is a deficient number, since it is larger than the sum of its proper divisors (16691383).

65232665 is a wasteful number, since it uses less digits than its factorization.

65232665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6748.

The product of its digits is 64800, while the sum is 35.

The square root of 65232665 is about 8076.6741298631. The cubic root of 65232665 is about 402.5517390378.

The spelling of 65232665 in words is "sixty-five million, two hundred thirty-two thousand, six hundred sixty-five".