509474012 has 12 divisors (see below), whose sum is σ = 930344016. Its totient is φ = 243661440.

The previous prime is 509474011. The next prime is 509474041. The reversal of 509474012 is 210474905.

It is a happy number.

It is a super-2 number, since 2×509474012² = 519127537806752288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 509474012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509474011) 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 3 ways as a sum of consecutive naturals, for example, 2768789 + ... + 2768972.

It is an arithmetic number, because the mean of its divisors is an integer number (77528668).

Almost surely, 2^509474012 is an apocalyptic number.

It is an amenable number.

509474012 is a deficient number, since it is larger than the sum of its proper divisors (420870004).

509474012 is a wasteful number, since it uses less digits than its factorization.

509474012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5537788 (or 5537786 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 509474012 is about 22571.5310070008. The cubic root of 509474012 is about 798.6822117345.

The spelling of 509474012 in words is "five hundred nine million, four hundred seventy-four thousand, twelve".