7999925 has 12 divisors (see below), whose sum is σ = 10061856. Its totient is φ = 6308400.

The previous prime is 7999921. The next prime is 7999963. The reversal of 7999925 is 5299997.

It is not a de Polignac number, because 7999925 - 2² = 7999921 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 (7999921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 479 + ... + 4028.

It is an arithmetic number, because the mean of its divisors is an integer number (838488).

Almost surely, 2^7999925 is an apocalyptic number.

It is an amenable number.

7999925 is a deficient number, since it is larger than the sum of its proper divisors (2061931).

7999925 is a wasteful number, since it uses less digits than its factorization.

7999925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4588 (or 4583 counting only the distinct ones).

The product of its digits is 459270, while the sum is 50.

The square root of 7999925 is about 2828.4138664630. The cubic root of 7999925 is about 199.9993749980. Note that the first 3 decimals are identical.

It can be divided in two parts, 799992 and 5, that added together give a palindrome (799997).

The spelling of 7999925 in words is "seven million, nine hundred ninety-nine thousand, nine hundred twenty-five".