508825 has 6 divisors (see below), whose sum is σ = 630974. Its totient is φ = 407040.

The previous prime is 508817. The next prime is 508841. The reversal of 508825 is 528805.

It can be written as a sum of positive squares in 3 ways, for example, as 17424 + 491401 = 132^2 + 701^2 .

It is not a de Polignac number, because 508825 - 2³ = 508817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 508793 and 508802.

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, 10152 + ... + 10201.

2⁵⁰⁸⁸²⁵ is an apocalyptic number.

It is an amenable number.

508825 is a deficient number, since it is larger than the sum of its proper divisors (122149).

508825 is a wasteful number, since it uses less digits than its factorization.

508825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20363 (or 20358 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 508825 is about 713.3197039196. The cubic root of 508825 is about 79.8342924161.

The spelling of 508825 in words is "five hundred eight thousand, eight hundred twenty-five".