516735025 has 6 divisors (see below), whose sum is σ = 640751462. Its totient is φ = 413388000.

The previous prime is 516734989. The next prime is 516735041. The reversal of 516735025 is 520537615.

It can be written as a sum of positive squares in 3 ways, for example, as 4210704 + 512524321 = 2052^2 + 22639^2 .

It is not a de Polignac number, because 516735025 - 2⁹ = 516734513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10334676 + ... + 10334725.

Almost surely, 2^516735025 is an apocalyptic number.

It is an amenable number.

516735025 is a deficient number, since it is larger than the sum of its proper divisors (124016437).

516735025 is a wasteful number, since it uses less digits than its factorization.

516735025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20669411 (or 20669406 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 34.

The square root of 516735025 is about 22731.8064614320. The cubic root of 516735025 is about 802.4585952506.

The spelling of 516735025 in words is "five hundred sixteen million, seven hundred thirty-five thousand, twenty-five".