513155304 has 32 divisors (see below), whose sum is σ = 1425432000. Its totient is φ = 171051696.

The previous prime is 513155297. The next prime is 513155327. The reversal of 513155304 is 403551315.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1187644 + ... + 1188075.

It is an arithmetic number, because the mean of its divisors is an integer number (44544750).

Almost surely, 2^513155304 is an apocalyptic number.

513155304 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

513155304 is an abundant number, since it is smaller than the sum of its proper divisors (912276696).

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

513155304 is a wasteful number, since it uses less digits than its factorization.

513155304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375734 (or 2375724 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 513155304 is about 22652.9314659273. The cubic root of 513155304 is about 800.6012688149.

The spelling of 513155304 in words is "five hundred thirteen million, one hundred fifty-five thousand, three hundred four".