872520519 has 16 divisors (see below), whose sum is σ = 1265019392. Its totient is φ = 531720288.

The previous prime is 872520511. The next prime is 872520521. The reversal of 872520519 is 915025278.

It is not a de Polignac number, because 872520519 - 2³ = 872520511 is a prime.

It is a super-2 number, since 2×872520519² = 1522584112152058722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872520511) 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 15 ways as a sum of consecutive naturals, for example, 104587 + ... + 112620.

It is an arithmetic number, because the mean of its divisors is an integer number (79063712).

Almost surely, 2^872520519 is an apocalyptic number.

872520519 is a deficient number, since it is larger than the sum of its proper divisors (392498873).

872520519 is a wasteful number, since it uses less digits than its factorization.

872520519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217326.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 872520519 is about 29538.4583043868. The cubic root of 872520519 is about 955.5612935331.

The spelling of 872520519 in words is "eight hundred seventy-two million, five hundred twenty thousand, five hundred nineteen".