825099 has 12 divisors (see below), whose sum is σ = 1209768. Its totient is φ = 499840.

The previous prime is 825073. The next prime is 825101. The reversal of 825099 is 990528.

825099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 825099 - 2⁵ = 825067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (825029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 774 + ... + 1499.

It is an arithmetic number, because the mean of its divisors is an integer number (100814).

2⁸²⁵⁰⁹⁹ is an apocalyptic number.

825099 is a deficient number, since it is larger than the sum of its proper divisors (384669).

825099 is a wasteful number, since it uses less digits than its factorization.

825099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298 (or 2287 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 825099 is about 908.3496023008. The cubic root of 825099 is about 93.7926241732.

The spelling of 825099 in words is "eight hundred twenty-five thousand, ninety-nine".