7865125 has 8 divisors (see below), whose sum is σ = 9815832. Its totient is φ = 6292000.

The previous prime is 7865111. The next prime is 7865131. The reversal of 7865125 is 5215687.

It can be written as a sum of positive squares in 4 ways, for example, as 214369 + 7650756 = 463^2 + 2766^2 .

It is a de Polignac number, because none of the positive numbers 2^k-7865125 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31336 + ... + 31585.

It is an arithmetic number, because the mean of its divisors is an integer number (1226979).

Almost surely, 2^7865125 is an apocalyptic number.

It is an amenable number.

7865125 is a deficient number, since it is larger than the sum of its proper divisors (1950707).

7865125 is an equidigital number, since it uses as much as digits as its factorization.

7865125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62936 (or 62926 counting only the distinct ones).

The product of its digits is 16800, while the sum is 34.

The square root of 7865125 is about 2804.4830183119. The cubic root of 7865125 is about 198.8696654202.

The spelling of 7865125 in words is "seven million, eight hundred sixty-five thousand, one hundred twenty-five".