525522 has 8 divisors (see below), whose sum is σ = 1051056. Its totient is φ = 175172.

The previous prime is 525517. The next prime is 525529. The reversal of 525522 is 225525.

It is a sphenic number, since it is the product of 3 distinct primes.

525522 is an admirable number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 525522.

It is not an unprimeable number, because it can be changed into a prime (525529) by changing a digit.

525522 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43788 + ... + 43799.

It is an arithmetic number, because the mean of its divisors is an integer number (131382).

2⁵²⁵⁵²² is an apocalyptic number.

525522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

525522 is a wasteful number, since it uses less digits than its factorization.

525522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87592.

The product of its digits is 1000, while the sum is 21.

The square root of 525522 is about 724.9289620370. The cubic root of 525522 is about 80.6981602623.

The spelling of 525522 in words is "five hundred twenty-five thousand, five hundred twenty-two".