515372272 has 40 divisors (see below), whose sum is σ = 1091394432. Its totient is φ = 234700800.

The previous prime is 515372269. The next prime is 515372279. The reversal of 515372272 is 272273515.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515372279) 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, 22129 + ... + 38992.

Almost surely, 2^515372272 is an apocalyptic number.

It is an amenable number.

515372272 is an abundant number, since it is smaller than the sum of its proper divisors (576022160).

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

515372272 is a wasteful number, since it uses less digits than its factorization.

515372272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61177 (or 61171 counting only the distinct ones).

The product of its digits is 29400, while the sum is 34.

The square root of 515372272 is about 22701.8120862631. The cubic root of 515372272 is about 801.7525495756.

The spelling of 515372272 in words is "five hundred fifteen million, three hundred seventy-two thousand, two hundred seventy-two".