4007125 has 8 divisors (see below), whose sum is σ = 5001048. Its totient is φ = 3205600.

The previous prime is 4007123. The next prime is 4007131. The reversal of 4007125 is 5217004.

It can be written as a sum of positive squares in 4 ways, for example, as 98596 + 3908529 = 314^2 + 1977^2 .

It is not a de Polignac number, because 4007125 - 2¹ = 4007123 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 (4007123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15904 + ... + 16153.

It is an arithmetic number, because the mean of its divisors is an integer number (625131).

Almost surely, 2^4007125 is an apocalyptic number.

It is an amenable number.

4007125 is a deficient number, since it is larger than the sum of its proper divisors (993923).

4007125 is an equidigital number, since it uses as much as digits as its factorization.

4007125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32072 (or 32062 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 4007125 is about 2001.7804574928. The cubic root of 4007125 is about 158.8343012275.

The spelling of 4007125 in words is "four million, seven thousand, one hundred twenty-five".