4008025 has 24 divisors (see below), whose sum is σ = 5842880. Its totient is φ = 2669760.

The previous prime is 4008023. The next prime is 4008029. The reversal of 4008025 is 5208004.

It is a happy number.

4008025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4008025 - 2¹ = 4008023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4007993 and 4008011.

It is not an unprimeable number, because it can be changed into a prime (4008023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6166 + ... + 6784.

Almost surely, 2^4008025 is an apocalyptic number.

It is an amenable number.

4008025 is a deficient number, since it is larger than the sum of its proper divisors (1834855).

4008025 is a wasteful number, since it uses less digits than its factorization.

4008025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 4008025 is about 2002.0052447484. The cubic root of 4008025 is about 158.8461917284.

The spelling of 4008025 in words is "four million, eight thousand, twenty-five".