64325225 has 12 divisors (see below), whose sum is σ = 79893696. Its totient is φ = 51376080.

The previous prime is 64325189. The next prime is 64325243. The reversal of 64325225 is 52252346.

It is not a de Polignac number, because 64325225 - 2²⁰ = 63276649 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16844 + ... + 20306.

It is an arithmetic number, because the mean of its divisors is an integer number (6657808).

Almost surely, 2^64325225 is an apocalyptic number.

It is an amenable number.

64325225 is a deficient number, since it is larger than the sum of its proper divisors (15568471).

64325225 is a wasteful number, since it uses less digits than its factorization.

64325225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4216 (or 4211 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 64325225 is about 8020.3008048327. The cubic root of 64325225 is about 400.6764076204.

The spelling of 64325225 in words is "sixty-four million, three hundred twenty-five thousand, two hundred twenty-five".