500999725 has 24 divisors (see below), whose sum is σ = 639280512. Its totient is φ = 389313600.

The previous prime is 500999701. The next prime is 500999753. The reversal of 500999725 is 527999005.

It is not a de Polignac number, because 500999725 - 2¹⁵ = 500966957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134640 + ... + 138310.

It is an arithmetic number, because the mean of its divisors is an integer number (26636688).

Almost surely, 2^500999725 is an apocalyptic number.

It is an amenable number.

500999725 is a deficient number, since it is larger than the sum of its proper divisors (138280787).

500999725 is a wasteful number, since it uses less digits than its factorization.

500999725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3837 (or 3832 counting only the distinct ones).

The product of its (nonzero) digits is 255150, while the sum is 46.

The square root of 500999725 is about 22383.0231425516. The cubic root of 500999725 is about 794.2291619856.

The spelling of 500999725 in words is "five hundred million, nine hundred ninety-nine thousand, seven hundred twenty-five".