4007925 has 36 divisors (see below), whose sum is σ = 7350720. Its totient is φ = 2086560.

The previous prime is 4007921. The next prime is 4007933. The reversal of 4007925 is 5297004.

It is not a de Polignac number, because 4007925 - 2² = 4007921 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4007921) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10386 + ... + 10764.

Almost surely, 2^4007925 is an apocalyptic number.

4007925 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4007925 is a deficient number, since it is larger than the sum of its proper divisors (3342795).

4007925 is a wasteful number, since it uses less digits than its factorization.

4007925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442 (or 434 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 4007925 is about 2001.9802696330. The cubic root of 4007925 is about 158.8448706495.

It can be divided in two parts, 40079 and 25, that added together give a palindrome (40104).

The spelling of 4007925 in words is "four million, seven thousand, nine hundred twenty-five".