4000563533 has 4 divisors (see below), whose sum is σ = 4000836060. Its totient is φ = 4000291008.

The previous prime is 4000563527. The next prime is 4000563559. The reversal of 4000563533 is 3353650004.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2309955844 + 1690607689 = 48062^2 + 41117^2 .

It is a cyclic number.

It is not a de Polignac number, because 4000563533 - 2²⁶ = 3933454669 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4000563496 and 4000563505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000563583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112910 + ... + 144047.

It is an arithmetic number, because the mean of its divisors is an integer number (1000209015).

Almost surely, 2^4000563533 is an apocalyptic number.

It is an amenable number.

4000563533 is a deficient number, since it is larger than the sum of its proper divisors (272527).

4000563533 is a wasteful number, since it uses less digits than its factorization.

4000563533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272526.

The product of its (nonzero) digits is 16200, while the sum is 29.

The square root of 4000563533 is about 63250.0081660074. The cubic root of 4000563533 is about 1587.4755945408.

The spelling of 4000563533 in words is "four billion, five hundred sixty-three thousand, five hundred thirty-three".