499908625 has 16 divisors (see below), whose sum is σ = 624514176. Its totient is φ = 399524400.

The previous prime is 499908623. The next prime is 499908637. The reversal of 499908625 is 526809994.

It is not a de Polignac number, because 499908625 - 2¹ = 499908623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499908623) 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, 221754 + ... + 223996.

It is an arithmetic number, because the mean of its divisors is an integer number (39032136).

Almost surely, 2^499908625 is an apocalyptic number.

It is an amenable number.

499908625 is a deficient number, since it is larger than the sum of its proper divisors (124605551).

499908625 is a wasteful number, since it uses less digits than its factorization.

499908625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4041 (or 4031 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 52.

The square root of 499908625 is about 22358.6364745259. The cubic root of 499908625 is about 793.6521734481.

The spelling of 499908625 in words is "four hundred ninety-nine million, nine hundred eight thousand, six hundred twenty-five".