512108125 has 10 divisors (see below), whose sum is σ = 639931094. Its totient is φ = 409686000.

The previous prime is 512108123. The next prime is 512108131. The reversal of 512108125 is 521801215.

It can be written as a sum of positive squares in 5 ways, for example, as 232349049 + 279759076 = 15243^2 + 16726^2 .

It is not a de Polignac number, because 512108125 - 2¹ = 512108123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 512108125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512108123) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 409062 + ... + 410311.

Almost surely, 2^512108125 is an apocalyptic number.

It is an amenable number.

512108125 is a deficient number, since it is larger than the sum of its proper divisors (127822969).

512108125 is an frugal number, since it uses more digits than its factorization.

512108125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819393 (or 819378 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 25.

The square root of 512108125 is about 22629.8061193639. The cubic root of 512108125 is about 800.0563111404.

The spelling of 512108125 in words is "five hundred twelve million, one hundred eight thousand, one hundred twenty-five".