64475265 has 48 divisors (see below), whose sum is σ = 112881600. Its totient is φ = 31336704.

The previous prime is 64475251. The next prime is 64475273. The reversal of 64475265 is 56257446.

64475265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64475265 - 2¹¹ = 64473217 is a prime.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 239551 + ... + 239819.

It is an arithmetic number, because the mean of its divisors is an integer number (2351700).

Almost surely, 2^64475265 is an apocalyptic number.

It is an amenable number.

64475265 is a deficient number, since it is larger than the sum of its proper divisors (48406335).

64475265 is a wasteful number, since it uses less digits than its factorization.

64475265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 325 counting only the distinct ones).

The product of its digits is 201600, while the sum is 39.

The square root of 64475265 is about 8029.6491206030. The cubic root of 64475265 is about 400.9876945580.

The spelling of 64475265 in words is "sixty-four million, four hundred seventy-five thousand, two hundred sixty-five".