525770 has 48 divisors (see below), whose sum is σ = 1169640. Its totient is φ = 169344.

The previous prime is 525769. The next prime is 525773. The reversal of 525770 is 77525.

525770 is nontrivially palindromic in base 9.

It can be written as a sum of positive squares in 4 ways, for example, as 499849 + 25921 = 707^2 + 161^2 .

It is a d-powerful number, because it can be written as 5⁴ + 2⁶ + 7⁵ + 5⁸ + 7⁶ + 0 .

It is a nialpdrome in base 14.

It is a zygodrome in base 9.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14192 + ... + 14228.

2⁵²⁵⁷⁷⁰ is an apocalyptic number.

525770 is an abundant number, since it is smaller than the sum of its proper divisors (643870).

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

525770 is a wasteful number, since it uses less digits than its factorization.

525770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 26.

The square root of 525770 is about 725.0999931044. The cubic root of 525770 is about 80.7108524024.

The spelling of 525770 in words is "five hundred twenty-five thousand, seven hundred seventy".