512406225 has 36 divisors (see below), whose sum is σ = 920561616. Its totient is φ = 272454240.

The previous prime is 512406211. The next prime is 512406239. The reversal of 512406225 is 522604215.

It is an interprime number because it is at equal distance from previous prime (512406211) and next prime (512406239).

It is not a de Polignac number, because 512406225 - 2⁹ = 512405713 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 74794 + ... + 81356.

It is an arithmetic number, because the mean of its divisors is an integer number (25571156).

Almost surely, 2^512406225 is an apocalyptic number.

It is an amenable number.

512406225 is a deficient number, since it is larger than the sum of its proper divisors (408155391).

512406225 is a wasteful number, since it uses less digits than its factorization.

512406225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6926 (or 6918 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 512406225 is about 22636.3916073212. The cubic root of 512406225 is about 800.2115195902.

The spelling of 512406225 in words is "five hundred twelve million, four hundred six thousand, two hundred twenty-five".