1513247172 has 24 divisors (see below), whose sum is σ = 3716748000. Its totient is φ = 477867456.

The previous prime is 1513247161. The next prime is 1513247207. The reversal of 1513247172 is 2717423151.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3318297 + ... + 3318752.

It is an arithmetic number, because the mean of its divisors is an integer number (154864500).

Almost surely, 2^1513247172 is an apocalyptic number.

1513247172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1513247172 is an abundant number, since it is smaller than the sum of its proper divisors (2203500828).

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

1513247172 is a wasteful number, since it uses less digits than its factorization.

1513247172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6637075 (or 6637073 counting only the distinct ones).

The product of its digits is 11760, while the sum is 33.

The square root of 1513247172 is about 38900.4777862689. The cubic root of 1513247172 is about 1148.0741988892.

The spelling of 1513247172 in words is "one billion, five hundred thirteen million, two hundred forty-seven thousand, one hundred seventy-two".