64310225 has 24 divisors (see below), whose sum is σ = 91690560. Its totient is φ = 43830720.

The previous prime is 64310219. The next prime is 64310249. The reversal of 64310225 is 52201346.

It is not a de Polignac number, because 64310225 - 2⁸ = 64309969 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 64310225.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30299 + ... + 32351.

It is an arithmetic number, because the mean of its divisors is an integer number (3820440).

Almost surely, 2^64310225 is an apocalyptic number.

It is an amenable number.

64310225 is a deficient number, since it is larger than the sum of its proper divisors (27380335).

64310225 is a wasteful number, since it uses less digits than its factorization.

64310225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249 (or 2244 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 64310225 is about 8019.3656232897. The cubic root of 64310225 is about 400.6452606205.

The spelling of 64310225 in words is "sixty-four million, three hundred ten thousand, two hundred twenty-five".