525552 has 20 divisors (see below), whose sum is σ = 1357800. Its totient is φ = 175168.

The previous prime is 525541. The next prime is 525571. The reversal of 525552 is 255525.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a d-powerful number, because it can be written as 5 + 2² + 5 + 5⁴ + 5⁴ + 2¹⁹ .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 525552.

It is an unprimeable number.

525552 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, 5427 + ... + 5522.

It is an arithmetic number, because the mean of its divisors is an integer number (67890).

2⁵²⁵⁵⁵² is an apocalyptic number.

It is an amenable number.

525552 is an abundant number, since it is smaller than the sum of its proper divisors (832248).

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

525552 is a wasteful number, since it uses less digits than its factorization.

525552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10960 (or 10954 counting only the distinct ones).

The product of its digits is 2500, while the sum is 24.

The square root of 525552 is about 724.9496534243. The cubic root of 525552 is about 80.6996958141.

The spelling of 525552 in words is "five hundred twenty-five thousand, five hundred fifty-two".