825508 has 12 divisors (see below), whose sum is σ = 1475712. Its totient is φ = 403880.

The previous prime is 825491. The next prime is 825509. The reversal of 825508 is 805528.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (825509) 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, 2008 + ... + 2383.

It is an arithmetic number, because the mean of its divisors is an integer number (122976).

2⁸²⁵⁵⁰⁸ is an apocalyptic number.

It is an amenable number.

825508 is a deficient number, since it is larger than the sum of its proper divisors (650204).

825508 is a wasteful number, since it uses less digits than its factorization.

825508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4442 (or 4440 counting only the distinct ones).

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

The square root of 825508 is about 908.5747079905. The cubic root of 825508 is about 93.8081192215.

The spelling of 825508 in words is "eight hundred twenty-five thousand, five hundred eight".