825568 has 12 divisors (see below), whose sum is σ = 1625400. Its totient is φ = 412768.

The previous prime is 825553. The next prime is 825577. The reversal of 825568 is 865528.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

825568 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12868 + ... + 12931.

It is an arithmetic number, because the mean of its divisors is an integer number (135450).

2⁸²⁵⁵⁶⁸ is an apocalyptic number.

It is an amenable number.

825568 is a deficient number, since it is larger than the sum of its proper divisors (799832).

825568 is a wasteful number, since it uses less digits than its factorization.

825568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25809 (or 25801 counting only the distinct ones).

The product of its digits is 19200, while the sum is 34.

The square root of 825568 is about 908.6077261393. The cubic root of 825568 is about 93.8103919032.

The spelling of 825568 in words is "eight hundred twenty-five thousand, five hundred sixty-eight".