512140525 has 12 divisors (see below), whose sum is σ = 683905012. Its totient is φ = 378195840.

The previous prime is 512140513. The next prime is 512140543. The reversal of 512140525 is 525041215.

It can be written as a sum of positive squares in 6 ways, for example, as 385641 + 511754884 = 621^2 + 22622^2 .

It is not a de Polignac number, because 512140525 - 2¹¹ = 512138477 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 512140525.

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, 787584 + ... + 788233.

Almost surely, 2^512140525 is an apocalyptic number.

It is an amenable number.

512140525 is a deficient number, since it is larger than the sum of its proper divisors (171764487).

512140525 is a wasteful number, since it uses less digits than its factorization.

512140525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575840 (or 1575835 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 512140525 is about 22630.5219780720. The cubic root of 512140525 is about 800.0731834092.

The spelling of 512140525 in words is "five hundred twelve million, one hundred forty thousand, five hundred twenty-five".