512381225 has 24 divisors (see below), whose sum is σ = 645470592. Its totient is φ = 403430400.

The previous prime is 512381201. The next prime is 512381239. The reversal of 512381225 is 522183215.

It is not a de Polignac number, because 512381225 - 2¹⁴ = 512364841 is a prime.

It is a Duffinian number.

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 23 ways as a sum of consecutive naturals, for example, 496460 + ... + 497490.

It is an arithmetic number, because the mean of its divisors is an integer number (26894608).

Almost surely, 2^512381225 is an apocalyptic number.

It is an amenable number.

512381225 is a deficient number, since it is larger than the sum of its proper divisors (133089367).

512381225 is a wasteful number, since it uses less digits than its factorization.

512381225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337 (or 1332 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 512381225 is about 22635.8393924325. The cubic root of 512381225 is about 800.1985054279.

The spelling of 512381225 in words is "five hundred twelve million, three hundred eighty-one thousand, two hundred twenty-five".