499953125 has 42 divisors (see below), whose sum is σ = 728076618. Its totient is φ = 342300000.

The previous prime is 499953109. The next prime is 499953143. The reversal of 499953125 is 521359994.

It can be written as a sum of positive squares in 7 ways, for example, as 484968484 + 14984641 = 22022^2 + 3871^2 .

It is not a de Polignac number, because 499953125 - 2⁴ = 499953109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 499953125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 765299 + ... + 765951.

Almost surely, 2^499953125 is an apocalyptic number.

It is an amenable number.

499953125 is a deficient number, since it is larger than the sum of its proper divisors (228123493).

499953125 is an frugal number, since it uses more digits than its factorization.

499953125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697 (or 665 counting only the distinct ones).

The product of its digits is 437400, while the sum is 47.

The square root of 499953125 is about 22359.6315935661. The cubic root of 499953125 is about 793.6757220675.

The spelling of 499953125 in words is "four hundred ninety-nine million, nine hundred fifty-three thousand, one hundred twenty-five".