516871025 has 24 divisors (see below), whose sum is σ = 708790944. Its totient is φ = 370742400.

The previous prime is 516871001. The next prime is 516871057. The reversal of 516871025 is 520178615.

It is not a de Polignac number, because 516871025 - 2⁸ = 516870769 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7202 + ... + 32948.

It is an arithmetic number, because the mean of its divisors is an integer number (29532956).

Almost surely, 2^516871025 is an apocalyptic number.

516871025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

516871025 is a deficient number, since it is larger than the sum of its proper divisors (191919919).

516871025 is a wasteful number, since it uses less digits than its factorization.

516871025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25841 (or 25836 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 35.

The square root of 516871025 is about 22734.7976678923. The cubic root of 516871025 is about 802.5289890312.

The spelling of 516871025 in words is "five hundred sixteen million, eight hundred seventy-one thousand, twenty-five".