513472988 has 24 divisors (see below), whose sum is σ = 1044355200. Its totient is φ = 216329328.

The previous prime is 513472987. The next prime is 513473011. The reversal of 513472988 is 889274315.

It is a happy number.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513472987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153758 + ... + 157061.

It is an arithmetic number, because the mean of its divisors is an integer number (43514800).

Almost surely, 2^513472988 is an apocalyptic number.

It is an amenable number.

513472988 is an abundant number, since it is smaller than the sum of its proper divisors (530882212).

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

513472988 is a wasteful number, since it uses less digits than its factorization.

513472988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310889 (or 310887 counting only the distinct ones).

The product of its digits is 483840, while the sum is 47.

The square root of 513472988 is about 22659.9423653283. The cubic root of 513472988 is about 800.7664467148.

The spelling of 513472988 in words is "five hundred thirteen million, four hundred seventy-two thousand, nine hundred eighty-eight".