7983925 has 6 divisors (see below), whose sum is σ = 9900098. Its totient is φ = 6387120.

The previous prime is 7983919. The next prime is 7983929. The reversal of 7983925 is 5293897.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1234321 + 6749604 = 1111^2 + 2598^2 .

It is not a de Polignac number, because 7983925 - 2⁵ = 7983893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7983929) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 159654 + ... + 159703.

Almost surely, 2^7983925 is an apocalyptic number.

It is an amenable number.

7983925 is a deficient number, since it is larger than the sum of its proper divisors (1916173).

7983925 is a wasteful number, since it uses less digits than its factorization.

7983925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319367 (or 319362 counting only the distinct ones).

The product of its digits is 136080, while the sum is 43.

The square root of 7983925 is about 2825.5840104304. The cubic root of 7983925 is about 199.8659518422.

The spelling of 7983925 in words is "seven million, nine hundred eighty-three thousand, nine hundred twenty-five".