64535525 has 12 divisors (see below), whose sum is σ = 80170464. Its totient is φ = 51534000.

The previous prime is 64535509. The next prime is 64535563. The reversal of 64535525 is 52553546.

It is not a de Polignac number, because 64535525 - 2⁴ = 64535509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13730 + ... + 17820.

It is an arithmetic number, because the mean of its divisors is an integer number (6680872).

Almost surely, 2^64535525 is an apocalyptic number.

It is an amenable number.

64535525 is a deficient number, since it is larger than the sum of its proper divisors (15634939).

64535525 is a wasteful number, since it uses less digits than its factorization.

64535525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4732 (or 4727 counting only the distinct ones).

The product of its digits is 90000, while the sum is 35.

The square root of 64535525 is about 8033.4005875470. The cubic root of 64535525 is about 401.1125796306.

The spelling of 64535525 in words is "sixty-four million, five hundred thirty-five thousand, five hundred twenty-five".