515249472 has 28 divisors (see below), whose sum is σ = 1363264736. Its totient is φ = 171749760.

The previous prime is 515249437. The next prime is 515249477. The reversal of 515249472 is 274942515.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 515249472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515249477) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1341604 + ... + 1341987.

Almost surely, 2^515249472 is an apocalyptic number.

It is an amenable number.

515249472 is an abundant number, since it is smaller than the sum of its proper divisors (848015264).

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

515249472 is a wasteful number, since it uses less digits than its factorization.

515249472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683606 (or 2683596 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 515249472 is about 22699.1072952220. The cubic root of 515249472 is about 801.6888654911.

The spelling of 515249472 in words is "five hundred fifteen million, two hundred forty-nine thousand, four hundred seventy-two".