525044224 has 20 divisors (see below), whose sum is σ = 1049063994. Its totient is φ = 262521856.

The previous prime is 525044131. The next prime is 525044231. The reversal of 525044224 is 422440525.

It can be written as a sum of positive squares in only one way, i.e., 306950400 + 218093824 = 17520^2 + 14768^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 525044192 and 525044201.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512227 + ... + 513250.

Almost surely, 2^525044224 is an apocalyptic number.

It is an amenable number.

525044224 is a deficient number, since it is larger than the sum of its proper divisors (524019770).

525044224 is an equidigital number, since it uses as much as digits as its factorization.

525044224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025495 (or 1025479 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 525044224 is about 22913.8435012549. The cubic root of 525044224 is about 806.7369738901.

Adding to 525044224 its reverse (422440525), we get a palindrome (947484749).

The spelling of 525044224 in words is "five hundred twenty-five million, forty-four thousand, two hundred twenty-four".