4001325563 has 16 divisors (see below), whose sum is σ = 4094737920. Its totient is φ = 3909240576.

The previous prime is 4001325541. The next prime is 4001325637. The reversal of 4001325563 is 3655231004.

4001325563 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4001325563 - 2⁶ = 4001325499 is a prime.

It is a super-2 number, since 2×4001325563² = 32021212522234533938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4001325533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6184106 + ... + 6184752.

It is an arithmetic number, because the mean of its divisors is an integer number (255921120).

Almost surely, 2^4001325563 is an apocalyptic number.

4001325563 is a deficient number, since it is larger than the sum of its proper divisors (93412357).

4001325563 is a wasteful number, since it uses less digits than its factorization.

4001325563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 4001325563 is about 63256.0318309645. The cubic root of 4001325563 is about 1587.5763826104.

Adding to 4001325563 its reverse (3655231004), we get a palindrome (7656556567).

The spelling of 4001325563 in words is "four billion, one million, three hundred twenty-five thousand, five hundred sixty-three".