4001125250 has 16 divisors (see below), whose sum is σ = 7490106936. Its totient is φ = 1600450000.

The previous prime is 4001125223. The next prime is 4001125283. The reversal of 4001125250 is 525211004.

It can be written as a sum of positive squares in 4 ways, for example, as 266570929 + 3734554321 = 16327^2 + 61111^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8002001 + ... + 8002500.

Almost surely, 2^4001125250 is an apocalyptic number.

4001125250 is a deficient number, since it is larger than the sum of its proper divisors (3488981686).

4001125250 is a wasteful number, since it uses less digits than its factorization.

4001125250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16004518 (or 16004508 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 4001125250 is about 63254.4484601676. The cubic root of 4001125250 is about 1587.5498899319.

Adding to 4001125250 its reverse (525211004), we get a palindrome (4526336254).

The spelling of 4001125250 in words is "four billion, one million, one hundred twenty-five thousand, two hundred fifty".