4001525012 has 24 divisors (see below), whose sum is σ = 7256105472. Its totient is φ = 1928844000.

The previous prime is 4001524993. The next prime is 4001525023. The reversal of 4001525012 is 2105251004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28739 + ... + 93962.

It is an arithmetic number, because the mean of its divisors is an integer number (302337728).

Almost surely, 2^4001525012 is an apocalyptic number.

It is an amenable number.

4001525012 is a deficient number, since it is larger than the sum of its proper divisors (3254580460).

4001525012 is a wasteful number, since it uses less digits than its factorization.

4001525012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122999 (or 122997 counting only the distinct ones).

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

The square root of 4001525012 is about 63257.6083329112. The cubic root of 4001525012 is about 1587.6027601408.

Adding to 4001525012 its reverse (2105251004), we get a palindrome (6106776016).

The spelling of 4001525012 in words is "four billion, one million, five hundred twenty-five thousand, twelve".