525807 has 12 divisors (see below), whose sum is σ = 780520. Its totient is φ = 340848.

The previous prime is 525781. The next prime is 525809. The reversal of 525807 is 708525.

It is a happy number.

525807 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 525807 - 2¹¹ = 523759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 457 + ... + 1122.

2⁵²⁵⁸⁰⁷ is an apocalyptic number.

525807 is a deficient number, since it is larger than the sum of its proper divisors (254713).

525807 is a wasteful number, since it uses less digits than its factorization.

525807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622 (or 1619 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 525807 is about 725.1255063780. The cubic root of 525807 is about 80.7127456456.

The spelling of 525807 in words is "five hundred twenty-five thousand, eight hundred seven".