513361504 has 24 divisors (see below), whose sum is σ = 1025769528. Its totient is φ = 252848640.

The previous prime is 513361501. The next prime is 513361531. The reversal of 513361504 is 405163315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513361501) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 117577 + ... + 121864.

It is an arithmetic number, because the mean of its divisors is an integer number (42740397).

Almost surely, 2^513361504 is an apocalyptic number.

It is an amenable number.

513361504 is a deficient number, since it is larger than the sum of its proper divisors (512408024).

513361504 is a wasteful number, since it uses less digits than its factorization.

513361504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239518 (or 239510 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 513361504 is about 22657.4822961423. The cubic root of 513361504 is about 800.7084890356.

The spelling of 513361504 in words is "five hundred thirteen million, three hundred sixty-one thousand, five hundred four".