825474 has 32 divisors (see below), whose sum is σ = 1874880. Its totient is φ = 240192.

The previous prime is 825467. The next prime is 825479. The reversal of 825474 is 474528.

It is a Curzon number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1204 + ... + 1760.

It is an arithmetic number, because the mean of its divisors is an integer number (58590).

2⁸²⁵⁴⁷⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 825474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (937440).

825474 is an abundant number, since it is smaller than the sum of its proper divisors (1049406).

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

825474 is a wasteful number, since it uses less digits than its factorization.

825474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594.

The product of its digits is 8960, while the sum is 30.

The square root of 825474 is about 908.5559971735. Note that the first 3 decimals coincide. The cubic root of 825474 is about 93.8068313196.

The spelling of 825474 in words is "eight hundred twenty-five thousand, four hundred seventy-four".