525530224 has 10 divisors (see below), whose sum is σ = 1018214840. Its totient is φ = 262765104.

The previous prime is 525530209. The next prime is 525530233. The reversal of 525530224 is 422035525.

It is a junction number, because it is equal to n+sod(n) for n = 525530192 and 525530201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16422804 + ... + 16422835.

It is an arithmetic number, because the mean of its divisors is an integer number (101821484).

Almost surely, 2^525530224 is an apocalyptic number.

It is an amenable number.

525530224 is a deficient number, since it is larger than the sum of its proper divisors (492684616).

525530224 is a wasteful number, since it uses less digits than its factorization.

525530224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32845647 (or 32845641 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 525530224 is about 22924.4459911248. The cubic root of 525530224 is about 806.9858121408.

Adding to 525530224 its reverse (422035525), we get a palindrome (947565749).

The spelling of 525530224 in words is "five hundred twenty-five million, five hundred thirty thousand, two hundred twenty-four".