7850925 has 30 divisors (see below), whose sum is σ = 14546378. Its totient is φ = 4186080.

The previous prime is 7850917. The next prime is 7850929. The reversal of 7850925 is 5290587.

7850925 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 116964 + 7733961 = 342^2 + 2781^2 .

It is not a de Polignac number, because 7850925 - 2³ = 7850917 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7850925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7850929) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 87 + ... + 3963.

Almost surely, 2^7850925 is an apocalyptic number.

7850925 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7850925 is a deficient number, since it is larger than the sum of its proper divisors (6695453).

7850925 is a wasteful number, since it uses less digits than its factorization.

7850925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3899 (or 3885 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 7850925 is about 2801.9502136905. The cubic root of 7850925 is about 198.7499110003.

The spelling of 7850925 in words is "seven million, eight hundred fifty thousand, nine hundred twenty-five".