64525285 has 16 divisors (see below), whose sum is σ = 89439552. Its totient is φ = 44166400.

The previous prime is 64525259. The next prime is 64525289. The reversal of 64525285 is 58252546.

It is not a de Polignac number, because 64525285 - 2⁷ = 64525157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64525289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33571 + ... + 35440.

It is an arithmetic number, because the mean of its divisors is an integer number (5589972).

Almost surely, 2^64525285 is an apocalyptic number.

It is an amenable number.

64525285 is a deficient number, since it is larger than the sum of its proper divisors (24914267).

64525285 is a wasteful number, since it uses less digits than its factorization.

64525285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69044.

The product of its digits is 96000, while the sum is 37.

The square root of 64525285 is about 8032.7632232003. The cubic root of 64525285 is about 401.0913633569.

The spelling of 64525285 in words is "sixty-four million, five hundred twenty-five thousand, two hundred eighty-five".