499928025 has 12 divisors (see below), whose sum is σ = 826547792. Its totient is φ = 266628240.

The previous prime is 499928003. The next prime is 499928029. The reversal of 499928025 is 520829994.

It is a happy number.

It is not a de Polignac number, because 499928025 - 2¹¹ = 499925977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499928029) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3332779 + ... + 3332928.

Almost surely, 2^499928025 is an apocalyptic number.

It is an amenable number.

499928025 is a deficient number, since it is larger than the sum of its proper divisors (326619767).

499928025 is a wasteful number, since it uses less digits than its factorization.

499928025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6665720 (or 6665715 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 499928025 is about 22359.0703071483. The cubic root of 499928025 is about 793.6624397596.

The spelling of 499928025 in words is "four hundred ninety-nine million, nine hundred twenty-eight thousand, twenty-five".