525776 has 20 divisors (see below), whose sum is σ = 1079172. Its totient is φ = 247296.

The previous prime is 525773. The next prime is 525781. The reversal of 525776 is 677525.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 384400 + 141376 = 620^2 + 376^2 .

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 5⁴ + 2⁶ + 7⁵ + 5⁸ + 7⁶ + 6 .

It is a nialpdrome in base 14.

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 525776.

It is not an unprimeable number, because it can be changed into a prime (525773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695 + ... + 1238.

2⁵²⁵⁷⁷⁶ is an apocalyptic number.

It is an amenable number.

525776 is an abundant number, since it is smaller than the sum of its proper divisors (553396).

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

525776 is a wasteful number, since it uses less digits than its factorization.

525776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958 (or 1952 counting only the distinct ones).

The product of its digits is 14700, while the sum is 32.

The square root of 525776 is about 725.1041304530. The cubic root of 525776 is about 80.7111594208.

The spelling of 525776 in words is "five hundred twenty-five thousand, seven hundred seventy-six".