516343725 has 18 divisors (see below), whose sum is σ = 924829386. Its totient is φ = 275383200.

The previous prime is 516343693. The next prime is 516343727. The reversal of 516343725 is 527343615.

It can be written as a sum of positive squares in 3 ways, for example, as 77105961 + 439237764 = 8781^2 + 20958^2 .

It is not a de Polignac number, because 516343725 - 2⁵ = 516343693 is a prime.

It is a super-2 number, since 2×516343725² = 533221684693751250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 516343725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516343727) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1147206 + ... + 1147655.

Almost surely, 2^516343725 is an apocalyptic number.

It is an amenable number.

516343725 is a deficient number, since it is larger than the sum of its proper divisors (408485661).

516343725 is a wasteful number, since it uses less digits than its factorization.

516343725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294877 (or 2294869 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 516343725 is about 22723.1979483523. The cubic root of 516343725 is about 802.2559889331.

The spelling of 516343725 in words is "five hundred sixteen million, three hundred forty-three thousand, seven hundred twenty-five".