512545925 has 12 divisors (see below), whose sum is σ = 635839140. Its totient is φ = 409854720.

The previous prime is 512545897. The next prime is 512545949. The reversal of 512545925 is 529545215.

It can be written as a sum of positive squares in 6 ways, for example, as 20016676 + 492529249 = 4474^2 + 22193^2 .

It is not a de Polignac number, because 512545925 - 2⁶ = 512545861 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99821 + ... + 104829.

It is an arithmetic number, because the mean of its divisors is an integer number (52986595).

Almost surely, 2^512545925 is an apocalyptic number.

It is an amenable number.

512545925 is a deficient number, since it is larger than the sum of its proper divisors (123293215).

512545925 is a wasteful number, since it uses less digits than its factorization.

512545925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9112 (or 9107 counting only the distinct ones).

The product of its digits is 90000, while the sum is 38.

The square root of 512545925 is about 22639.4771361885. The cubic root of 512545925 is about 800.2842349387.

The spelling of 512545925 in words is "five hundred twelve million, five hundred forty-five thousand, nine hundred twenty-five".