513228632 has 32 divisors (see below), whose sum is σ = 1101061920. Its totient is φ = 219697920.

The previous prime is 513228629. The next prime is 513228641. The reversal of 513228632 is 236822315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47582 + ... + 57362.

It is an arithmetic number, because the mean of its divisors is an integer number (34408185).

Almost surely, 2^513228632 is an apocalyptic number.

It is an amenable number.

513228632 is an abundant number, since it is smaller than the sum of its proper divisors (587833288).

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

513228632 is a wasteful number, since it uses less digits than its factorization.

513228632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10731 (or 10727 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 513228632 is about 22654.5499182835. The cubic root of 513228632 is about 800.6394013213.

The spelling of 513228632 in words is "five hundred thirteen million, two hundred twenty-eight thousand, six hundred thirty-two".