525756 has 48 divisors (see below), whose sum is σ = 1532160. Its totient is φ = 136320.

The previous prime is 525739. The next prime is 525769. The reversal of 525756 is 657525.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 640 + ... + 1208.

It is an arithmetic number, because the mean of its divisors is an integer number (31920).

2⁵²⁵⁷⁵⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (766080).

525756 is an abundant number, since it is smaller than the sum of its proper divisors (1006404).

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

525756 is a wasteful number, since it uses less digits than its factorization.

525756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594 (or 592 counting only the distinct ones).

The product of its digits is 10500, while the sum is 30.

The square root of 525756 is about 725.0903391992. The cubic root of 525756 is about 80.7101360169.

Subtracting 525756 from its reverse (657525), we obtain a square (131769 = 363²).

It can be divided in two parts, 525 and 756, that multiplied together give a square (396900 = 630²).

The spelling of 525756 in words is "five hundred twenty-five thousand, seven hundred fifty-six".