512531425 has 36 divisors (see below), whose sum is σ = 771486336. Its totient is φ = 336151200.

The previous prime is 512531387. The next prime is 512531443. The reversal of 512531425 is 524135215.

It is not a de Polignac number, because 512531425 - 2⁹ = 512530913 is a prime.

It is a super-2 number, since 2×512531425² = 525376923225061250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 512531393 and 512531402.

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, 19080 + ... + 37270.

It is an arithmetic number, because the mean of its divisors is an integer number (21430176).

Almost surely, 2^512531425 is an apocalyptic number.

It is an amenable number.

512531425 is a deficient number, since it is larger than the sum of its proper divisors (258954911).

512531425 is a wasteful number, since it uses less digits than its factorization.

512531425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18238 (or 18226 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 512531425 is about 22639.1568968458. The cubic root of 512531425 is about 800.2766881477.

The spelling of 512531425 in words is "five hundred twelve million, five hundred thirty-one thousand, four hundred twenty-five".