8423125 has 10 divisors (see below), whose sum is σ = 10526318. Its totient is φ = 6738000.

The previous prime is 8423117. The next prime is 8423153. The reversal of 8423125 is 5213248.

It can be written as a sum of positive squares in 5 ways, for example, as 2537649 + 5885476 = 1593^2 + 2426^2 .

It is not a de Polignac number, because 8423125 - 2³ = 8423117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a d-powerful number, because it can be written as 8² + 4⁴ + 2¹⁴ + 3⁷ + 1 + 2²³ + 5⁶ .

It is a Duffinian number.

8423125 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 8423125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6114 + ... + 7363.

Almost surely, 2^8423125 is an apocalyptic number.

It is an amenable number.

8423125 is a deficient number, since it is larger than the sum of its proper divisors (2103193).

8423125 is an equidigital number, since it uses as much as digits as its factorization.

8423125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13497 (or 13482 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 8423125 is about 2902.2620488164. The cubic root of 8423125 is about 203.4656414414.

The spelling of 8423125 in words is "eight million, four hundred twenty-three thousand, one hundred twenty-five".