64594625 has 8 divisors (see below), whose sum is σ = 80614248. Its totient is φ = 51675600.

The previous prime is 64594619. The next prime is 64594627. The reversal of 64594625 is 52649546.

It is a happy number.

64594625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 65536 + 64529089 = 256^2 + 8033^2 .

It is not a de Polignac number, because 64594625 - 2¹² = 64590529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64594627) 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 7 ways as a sum of consecutive naturals, for example, 258254 + ... + 258503.

It is an arithmetic number, because the mean of its divisors is an integer number (10076781).

Almost surely, 2^64594625 is an apocalyptic number.

It is an amenable number.

64594625 is a deficient number, since it is larger than the sum of its proper divisors (16019623).

64594625 is an equidigital number, since it uses as much as digits as its factorization.

64594625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516772 (or 516762 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

The square root of 64594625 is about 8037.0781382291. The cubic root of 64594625 is about 401.2349851882.

The spelling of 64594625 in words is "sixty-four million, five hundred ninety-four thousand, six hundred twenty-five".