515247 has 16 divisors (see below), whose sum is σ = 725760. Its totient is φ = 324800.

The previous prime is 515237. The next prime is 515279. The reversal of 515247 is 742515.

It is a cyclic number.

It is not a de Polignac number, because 515247 - 2⁴ = 515231 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 515247.

It is not an unprimeable number, because it can be changed into a prime (515227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7222 + ... + 7292.

It is an arithmetic number, because the mean of its divisors is an integer number (45360).

2⁵¹⁵²⁴⁷ is an apocalyptic number.

515247 is a deficient number, since it is larger than the sum of its proper divisors (210513).

515247 is a wasteful number, since it uses less digits than its factorization.

515247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174.

The product of its digits is 1400, while the sum is 24.

The square root of 515247 is about 717.8070771454. The cubic root of 515247 is about 80.1687583408.

The spelling of 515247 in words is "five hundred fifteen thousand, two hundred forty-seven".