515491248 has 40 divisors (see below), whose sum is σ = 1332669168. Its totient is φ = 171703552.

The previous prime is 515491247. The next prime is 515491259. The reversal of 515491248 is 842194515.

It is not an unprimeable number, because it can be changed into a prime (515491241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80086 + ... + 86282.

Almost surely, 2^515491248 is an apocalyptic number.

It is an amenable number.

515491248 is an abundant number, since it is smaller than the sum of its proper divisors (817177920).

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

515491248 is a wasteful number, since it uses less digits than its factorization.

515491248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7941 (or 7935 counting only the distinct ones).

The product of its digits is 57600, while the sum is 39.

The square root of 515491248 is about 22704.4323426066. The cubic root of 515491248 is about 801.8142408857.

The spelling of 515491248 in words is "five hundred fifteen million, four hundred ninety-one thousand, two hundred forty-eight".