513161302 has 4 divisors (see below), whose sum is σ = 769741956. Its totient is φ = 256580650.

The previous prime is 513161281. The next prime is 513161339. The reversal of 513161302 is 203161315.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128290324 + ... + 128290327.

It is an arithmetic number, because the mean of its divisors is an integer number (192435489).

Almost surely, 2^513161302 is an apocalyptic number.

513161302 is a deficient number, since it is larger than the sum of its proper divisors (256580654).

513161302 is a wasteful number, since it uses less digits than its factorization.

513161302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256580653.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 513161302 is about 22653.0638545871. The cubic root of 513161302 is about 800.6043880705.

The spelling of 513161302 in words is "five hundred thirteen million, one hundred sixty-one thousand, three hundred two".