64524385 has 8 divisors (see below), whose sum is σ = 77475456. Its totient is φ = 51588720.

The previous prime is 64524353. The next prime is 64524389. The reversal of 64524385 is 58342546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64524385 - 2⁵ = 64524353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64524389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9720 + ... + 14950.

It is an arithmetic number, because the mean of its divisors is an integer number (9684432).

Almost surely, 2^64524385 is an apocalyptic number.

It is an amenable number.

64524385 is a deficient number, since it is larger than the sum of its proper divisors (12951071).

64524385 is a wasteful number, since it uses less digits than its factorization.

64524385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7703.

The product of its digits is 115200, while the sum is 37.

The square root of 64524385 is about 8032.7072024318. The cubic root of 64524385 is about 401.0894985381.

The spelling of 64524385 in words is "sixty-four million, five hundred twenty-four thousand, three hundred eighty-five".