516132025 has 6 divisors (see below), whose sum is σ = 640003742. Its totient is φ = 412905600.

The previous prime is 516132007. The next prime is 516132049. The reversal of 516132025 is 520231615.

It can be written as a sum of positive squares in 3 ways, for example, as 524176 + 515607849 = 724^2 + 22707^2 .

It is not a de Polignac number, because 516132025 - 2⁷ = 516131897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 20645281 = 516132025 / (5 + 1 + 6 + 1 + 3 + 2 + 0 + 2 + 5).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10322616 + ... + 10322665.

Almost surely, 2^516132025 is an apocalyptic number.

It is an amenable number.

516132025 is a deficient number, since it is larger than the sum of its proper divisors (123871717).

516132025 is a wasteful number, since it uses less digits than its factorization.

516132025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20645291 (or 20645286 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 516132025 is about 22718.5392356111. The cubic root of 516132025 is about 802.1463327739.

The spelling of 516132025 in words is "five hundred sixteen million, one hundred thirty-two thousand, twenty-five".