509572494 has 24 divisors (see below), whose sum is σ = 1108282032. Its totient is φ = 169210080.

The previous prime is 509572487. The next prime is 509572499. The reversal of 509572494 is 494275905.

509572494 is a `hidden beast` number, since 5 + 0 + 95 + 72 + 494 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509572499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49087 + ... + 58554.

It is an arithmetic number, because the mean of its divisors is an integer number (46178418).

Almost surely, 2^509572494 is an apocalyptic number.

509572494 is an abundant number, since it is smaller than the sum of its proper divisors (598709538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

509572494 is a wasteful number, since it uses less digits than its factorization.

509572494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107912 (or 107909 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 509572494 is about 22573.7124549774. The cubic root of 509572494 is about 798.7336705281.

The spelling of 509572494 in words is "five hundred nine million, five hundred seventy-two thousand, four hundred ninety-four".