513322460 has 96 divisors (see below), whose sum is σ = 1296667008. Its totient is φ = 166993920.

The previous prime is 513322451. The next prime is 513322471. The reversal of 513322460 is 64223315.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 211172 + ... + 213588.

It is an arithmetic number, because the mean of its divisors is an integer number (13506948).

Almost surely, 2^513322460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 513322460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (648333504).

513322460 is an abundant number, since it is smaller than the sum of its proper divisors (783344548).

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

513322460 is a wasteful number, since it uses less digits than its factorization.

513322460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511 (or 2509 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 513322460 is about 22656.6206659334. The cubic root of 513322460 is about 800.6881890750.

Adding to 513322460 its reverse (64223315), we get a palindrome (577545775).

The spelling of 513322460 in words is "five hundred thirteen million, three hundred twenty-two thousand, four hundred sixty".