508525 has 6 divisors (see below), whose sum is σ = 630602. Its totient is φ = 406800.

The previous prime is 508517. The next prime is 508531. The reversal of 508525 is 525805.

It can be written as a sum of positive squares in 3 ways, for example, as 48841 + 459684 = 221^2 + 678^2 .

It is not a de Polignac number, because 508525 - 2³ = 508517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 20341 = 508525 / (5 + 0 + 8 + 5 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 508525.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10146 + ... + 10195.

2⁵⁰⁸⁵²⁵ is an apocalyptic number.

It is an amenable number.

508525 is a deficient number, since it is larger than the sum of its proper divisors (122077).

508525 is a wasteful number, since it uses less digits than its factorization.

508525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20351 (or 20346 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 508525 is about 713.1093885232. The cubic root of 508525 is about 79.8185994003.

The spelling of 508525 in words is "five hundred eight thousand, five hundred twenty-five".