516252725 has 12 divisors (see below), whose sum is σ = 643695780. Its totient is φ = 410716800.

The previous prime is 516252697. The next prime is 516252731. The reversal of 516252725 is 527252615.

It can be written as a sum of positive squares in 6 ways, for example, as 65836996 + 450415729 = 8114^2 + 21223^2 .

It is not a de Polignac number, because 516252725 - 2²⁶ = 449143861 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, 52520 + ... + 61569.

It is an arithmetic number, because the mean of its divisors is an integer number (53641315).

Almost surely, 2^516252725 is an apocalyptic number.

It is an amenable number.

516252725 is a deficient number, since it is larger than the sum of its proper divisors (127443055).

516252725 is a wasteful number, since it uses less digits than its factorization.

516252725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114280 (or 114275 counting only the distinct ones).

The product of its digits is 42000, while the sum is 35.

The square root of 516252725 is about 22721.1955011175. The cubic root of 516252725 is about 802.2088565155.

The spelling of 516252725 in words is "five hundred sixteen million, two hundred fifty-two thousand, seven hundred twenty-five".