439385225 has 12 divisors (see below), whose sum is σ = 546250380. Its totient is φ = 350596800.

The previous prime is 439385209. The next prime is 439385237. The reversal of 439385225 is 522583934.

It can be written as a sum of positive squares in 6 ways, for example, as 128074489 + 311310736 = 11317^2 + 17644^2 .

It is not a de Polignac number, because 439385225 - 2⁴ = 439385209 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 12866 + ... + 32315.

It is an arithmetic number, because the mean of its divisors is an integer number (45520865).

Almost surely, 2^439385225 is an apocalyptic number.

It is an amenable number.

439385225 is a deficient number, since it is larger than the sum of its proper divisors (106865155).

439385225 is a wasteful number, since it uses less digits than its factorization.

439385225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45580 (or 45575 counting only the distinct ones).

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

The square root of 439385225 is about 20961.5177169975. The cubic root of 439385225 is about 760.2360906639.

The spelling of 439385225 in words is "four hundred thirty-nine million, three hundred eighty-five thousand, two hundred twenty-five".