8279925 has 24 divisors (see below), whose sum is σ = 13954464. Its totient is φ = 4330560.

The previous prime is 8279923. The next prime is 8279933. The reversal of 8279925 is 5299728.

It is not a de Polignac number, because 8279925 - 2¹ = 8279923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8279923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2934 + ... + 5016.

It is an arithmetic number, because the mean of its divisors is an integer number (581436).

Almost surely, 2^8279925 is an apocalyptic number.

It is an amenable number.

8279925 is a deficient number, since it is larger than the sum of its proper divisors (5674539).

8279925 is a wasteful number, since it uses less digits than its factorization.

8279925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149 (or 2144 counting only the distinct ones).

The product of its digits is 90720, while the sum is 42.

The square root of 8279925 is about 2877.4858818072. The cubic root of 8279925 is about 202.3060175589.

The spelling of 8279925 in words is "eight million, two hundred seventy-nine thousand, nine hundred twenty-five".