513216470 has 64 divisors (see below), whose sum is σ = 1032708096. Its totient is φ = 182355840.

The previous prime is 513216419. The next prime is 513216479. The reversal of 513216470 is 74612315.

It is a super-2 number, since 2×513216470² = 526782290158521800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513216479) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1398227 + ... + 1398593.

It is an arithmetic number, because the mean of its divisors is an integer number (16136064).

Almost surely, 2^513216470 is an apocalyptic number.

513216470 is an abundant number, since it is smaller than the sum of its proper divisors (519491626).

513216470 is a wasteful number, since it uses less digits than its factorization.

513216470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 513216470 is about 22654.2814937927. The cubic root of 513216470 is about 800.6330770097.

Adding to 513216470 its reverse (74612315), we get a palindrome (587828785).

The spelling of 513216470 in words is "five hundred thirteen million, two hundred sixteen thousand, four hundred seventy".