509252804 has 12 divisors (see below), whose sum is σ = 899522064. Its totient is φ = 252246504.

The previous prime is 509252803. The next prime is 509252819. The reversal of 509252804 is 408252905.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (509252803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594494 + ... + 595349.

It is an arithmetic number, because the mean of its divisors is an integer number (74960172).

Almost surely, 2^509252804 is an apocalyptic number.

It is an amenable number.

509252804 is a deficient number, since it is larger than the sum of its proper divisors (390269260).

509252804 is a wasteful number, since it uses less digits than its factorization.

509252804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189954 (or 1189952 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 509252804 is about 22566.6303200101. The cubic root of 509252804 is about 798.5666019966.

The spelling of 509252804 in words is "five hundred nine million, two hundred fifty-two thousand, eight hundred four".