513371223 has 8 divisors (see below), whose sum is σ = 760550000. Its totient is φ = 342247464.

The previous prime is 513371161. The next prime is 513371227. The reversal of 513371223 is 322173315.

It is a de Polignac number, because none of the positive numbers 2^k-513371223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 19013749 = 513371223 / (5 + 1 + 3 + 3 + 7 + 1 + 2 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513371227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9506848 + ... + 9506901.

It is an arithmetic number, because the mean of its divisors is an integer number (95068750).

Almost surely, 2^513371223 is an apocalyptic number.

513371223 is a deficient number, since it is larger than the sum of its proper divisors (247178777).

513371223 is a wasteful number, since it uses less digits than its factorization.

513371223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19013758 (or 19013752 counting only the distinct ones).

The product of its digits is 3780, while the sum is 27.

The square root of 513371223 is about 22657.6967717374. The cubic root of 513371223 is about 800.7135420288.

The spelling of 513371223 in words is "five hundred thirteen million, three hundred seventy-one thousand, two hundred twenty-three".