525582 has 16 divisors (see below), whose sum is σ = 1168080. Its totient is φ = 175176.

The previous prime is 525571. The next prime is 525583. The reversal of 525582 is 285525.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525583) by changing a digit.

525582 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 7 ways as a sum of consecutive naturals, for example, 4813 + ... + 4920.

It is an arithmetic number, because the mean of its divisors is an integer number (73005).

2⁵²⁵⁵⁸² is an apocalyptic number.

525582 is an abundant number, since it is smaller than the sum of its proper divisors (642498).

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

525582 is a wasteful number, since it uses less digits than its factorization.

525582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9744 (or 9738 counting only the distinct ones).

The product of its digits is 4000, while the sum is 27.

The square root of 525582 is about 724.9703442211. The cubic root of 525582 is about 80.7012313075.

The spelling of 525582 in words is "five hundred twenty-five thousand, five hundred eighty-two".