525798 has 64 divisors (see below), whose sum is σ = 1451520. Its totient is φ = 137376.

The previous prime is 525781. The next prime is 525809. The reversal of 525798 is 897525.

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 525798.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4861 + ... + 4967.

It is an arithmetic number, because the mean of its divisors is an integer number (22680).

2⁵²⁵⁷⁹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (725760).

525798 is an abundant number, since it is smaller than the sum of its proper divisors (925722).

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

525798 is a wasteful number, since it uses less digits than its factorization.

525798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 132 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 525798 is about 725.1193005292. The cubic root of 525798 is about 80.7122851351.

The spelling of 525798 in words is "five hundred twenty-five thousand, seven hundred ninety-eight".