7855925 has 54 divisors (see below), whose sum is σ = 12690594. Its totient is φ = 4804800.

The previous prime is 7855907. The next prime is 7855931. The reversal of 7855925 is 5295587.

7855925 is digitally balanced in base 3, 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 1002001 + 6853924 = 1001^2 + 2618^2 .

It is not a de Polignac number, because 7855925 - 2⁸ = 7855669 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 148199 + ... + 148251.

It is an arithmetic number, because the mean of its divisors is an integer number (235011).

Almost surely, 2^7855925 is an apocalyptic number.

It is an amenable number.

7855925 is a deficient number, since it is larger than the sum of its proper divisors (4834669).

7855925 is a wasteful number, since it uses less digits than its factorization.

7855925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 76 counting only the distinct ones).

The product of its digits is 126000, while the sum is 41.

The square root of 7855925 is about 2802.8423073730. The cubic root of 7855925 is about 198.7920945081.

The spelling of 7855925 in words is "seven million, eight hundred fifty-five thousand, nine hundred twenty-five".