516805125 has 16 divisors (see below), whose sum is σ = 859964352. Its totient is φ = 275629200.

The previous prime is 516805109. The next prime is 516805127. The reversal of 516805125 is 521508615.

It is not a de Polignac number, because 516805125 - 2⁴ = 516805109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516805127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 688699 + ... + 689448.

It is an arithmetic number, because the mean of its divisors is an integer number (53747772).

Almost surely, 2^516805125 is an apocalyptic number.

It is an amenable number.

516805125 is a deficient number, since it is larger than the sum of its proper divisors (343159227).

516805125 is a wasteful number, since it uses less digits than its factorization.

516805125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378165 (or 1378155 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 33.

The square root of 516805125 is about 22733.3483015591. The cubic root of 516805125 is about 802.4948806459.

The spelling of 516805125 in words is "five hundred sixteen million, eight hundred five thousand, one hundred twenty-five".