4002625 has 32 divisors (see below), whose sum is σ = 5660928. Its totient is φ = 2800000.

The previous prime is 4002611. The next prime is 4002631. The reversal of 4002625 is 5262004.

It is not a de Polignac number, because 4002625 - 2⁹ = 4002113 is a prime.

It is a Duffinian number.

4002625 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56340 + ... + 56410.

It is an arithmetic number, because the mean of its divisors is an integer number (176904).

Almost surely, 2^4002625 is an apocalyptic number.

It is an amenable number.

4002625 is a deficient number, since it is larger than the sum of its proper divisors (1658303).

4002625 is a wasteful number, since it uses less digits than its factorization.

4002625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 4002625 is about 2000.6561423693. The cubic root of 4002625 is about 158.7748220016.

Adding to 4002625 its reverse (5262004), we get a palindrome (9264629).

It can be divided in two parts, 400 and 2625, that added together give a square (3025 = 55²).

The spelling of 4002625 in words is "four million, two thousand, six hundred twenty-five".