7855125 has 16 divisors (see below), whose sum is σ = 13071552. Its totient is φ = 4189200.

The previous prime is 7855109. The next prime is 7855163. The reversal of 7855125 is 5215587.

It is a happy number.

7855125 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7855125 - 2⁴ = 7855109 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10099 + ... + 10848.

It is an arithmetic number, because the mean of its divisors is an integer number (816972).

Almost surely, 2^7855125 is an apocalyptic number.

7855125 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7855125 is a deficient number, since it is larger than the sum of its proper divisors (5216427).

7855125 is a wasteful number, since it uses less digits than its factorization.

7855125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20965 (or 20955 counting only the distinct ones).

The product of its digits is 14000, while the sum is 33.

The square root of 7855125 is about 2802.6995914653. The cubic root of 7855125 is about 198.7853463499.

The spelling of 7855125 in words is "seven million, eight hundred fifty-five thousand, one hundred twenty-five".