823925 has 6 divisors (see below), whose sum is σ = 1021698. Its totient is φ = 659120.

The previous prime is 823913. The next prime is 823961. The reversal of 823925 is 529328.

823925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 237169 + 586756 = 487^2 + 766^2 .

It is not a de Polignac number, because 823925 - 2¹⁰ = 822901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 823925.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16454 + ... + 16503.

It is an arithmetic number, because the mean of its divisors is an integer number (170283).

2⁸²³⁹²⁵ is an apocalyptic number.

It is an amenable number.

823925 is a deficient number, since it is larger than the sum of its proper divisors (197773).

823925 is a wasteful number, since it uses less digits than its factorization.

823925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32967 (or 32962 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 823925 is about 907.7031453069. The cubic root of 823925 is about 93.7481184808.

The spelling of 823925 in words is "eight hundred twenty-three thousand, nine hundred twenty-five".