825318 has 24 divisors (see below), whose sum is σ = 1926288. Its totient is φ = 253872.

The previous prime is 825301. The next prime is 825329. The reversal of 825318 is 813528.

It is a happy number.

It is a super-2 number, since 2×825318² = 1362299602248, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 825291 and 825300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1530 + ... + 1997.

It is an arithmetic number, because the mean of its divisors is an integer number (80262).

2⁸²⁵³¹⁸ is an apocalyptic number.

825318 is an abundant number, since it is smaller than the sum of its proper divisors (1100970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

825318 is a wasteful number, since it uses less digits than its factorization.

825318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3548 (or 3545 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 825318 is about 908.4701426024. The cubic root of 825318 is about 93.8009216695.

The spelling of 825318 in words is "eight hundred twenty-five thousand, three hundred eighteen".