64371265 has 16 divisors (see below), whose sum is σ = 93474432. Its totient is φ = 41543424.

The previous prime is 64371257. The next prime is 64371269. The reversal of 64371265 is 56217346.

It is a happy number.

64371265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 64371265 - 2³ = 64371257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64371265.

It is not an unprimeable number, because it can be changed into a prime (64371269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53499 + ... + 54688.

It is an arithmetic number, because the mean of its divisors is an integer number (5842152).

Almost surely, 2^64371265 is an apocalyptic number.

It is an amenable number.

64371265 is a deficient number, since it is larger than the sum of its proper divisors (29103167).

64371265 is a wasteful number, since it uses less digits than its factorization.

64371265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108216.

The product of its digits is 30240, while the sum is 34.

The square root of 64371265 is about 8023.1705079725. The cubic root of 64371265 is about 400.7719779168.

The spelling of 64371265 in words is "sixty-four million, three hundred seventy-one thousand, two hundred sixty-five".