4000252 has 12 divisors (see below), whose sum is σ = 7304976. Its totient is φ = 1913120.

The previous prime is 4000237. The next prime is 4000261. The reversal of 4000252 is 2520004.

It is a happy number.

4000252 is a modest number, since divided by 252 gives 4 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21649 + ... + 21832.

It is an arithmetic number, because the mean of its divisors is an integer number (608748).

Almost surely, 2^4000252 is an apocalyptic number.

It is an amenable number.

4000252 is a deficient number, since it is larger than the sum of its proper divisors (3304724).

4000252 is a wasteful number, since it uses less digits than its factorization.

4000252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43508 (or 43506 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 4000252 is about 2000.0629990078. The cubic root of 4000252 is about 158.7434386690.

Adding to 4000252 its reverse (2520004), we get a palindrome (6520256).

The spelling of 4000252 in words is "four million, two hundred fifty-two", and thus it is an aban number.