525712224 has 24 divisors (see below), whose sum is σ = 1379994840. Its totient is φ = 175237376.

The previous prime is 525712193. The next prime is 525712237. The reversal of 525712224 is 422217525.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 525712191 and 525712200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2737989 + ... + 2738180.

It is an arithmetic number, because the mean of its divisors is an integer number (57499785).

Almost surely, 2^525712224 is an apocalyptic number.

It is an amenable number.

525712224 is an abundant number, since it is smaller than the sum of its proper divisors (854282616).

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

525712224 is a wasteful number, since it uses less digits than its factorization.

525712224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5476182 (or 5476174 counting only the distinct ones).

The product of its digits is 11200, while the sum is 30.

The square root of 525712224 is about 22928.4152090806. The cubic root of 525712224 is about 807.0789589981.

Adding to 525712224 its reverse (422217525), we get a palindrome (947929749).

The spelling of 525712224 in words is "five hundred twenty-five million, seven hundred twelve thousand, two hundred twenty-four".