525520452 has 24 divisors (see below), whose sum is σ = 1256123232. Its totient is φ = 170900800.

The previous prime is 525520447. The next prime is 525520453. The reversal of 525520452 is 254025525.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (525520453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533574 + ... + 534557.

It is an arithmetic number, because the mean of its divisors is an integer number (52338468).

Almost surely, 2^525520452 is an apocalyptic number.

It is an amenable number.

525520452 is an abundant number, since it is smaller than the sum of its proper divisors (730602780).

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

525520452 is a wasteful number, since it uses less digits than its factorization.

525520452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068179 (or 1068177 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 525520452 is about 22924.2328552124. The cubic root of 525520452 is about 806.9808102628.

Adding to 525520452 its reverse (254025525), we get a palindrome (779545977).

The spelling of 525520452 in words is "five hundred twenty-five million, five hundred twenty thousand, four hundred fifty-two".