513431204 has 24 divisors (see below), whose sum is σ = 1055587008. Its totient is φ = 215425440.

The previous prime is 513431183. The next prime is 513431227. The reversal of 513431204 is 402134315.

It is a super-2 number, since 2×513431204² = 527223202481779232, 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 513431204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448232 + ... + 449375.

It is an arithmetic number, because the mean of its divisors is an integer number (43982792).

Almost surely, 2^513431204 is an apocalyptic number.

It is an amenable number.

513431204 is an abundant number, since it is smaller than the sum of its proper divisors (542155804).

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

513431204 is a wasteful number, since it uses less digits than its factorization.

513431204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897635 (or 897633 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 513431204 is about 22659.0203671739. The cubic root of 513431204 is about 800.7447252652.

Adding to 513431204 its reverse (402134315), we get a palindrome (915565519).

The spelling of 513431204 in words is "five hundred thirteen million, four hundred thirty-one thousand, two hundred four".