5261444533 has 4 divisors (see below), whose sum is σ = 5262804108. Its totient is φ = 5260084960.

The previous prime is 5261444521. The next prime is 5261444537. The reversal of 5261444533 is 3354441625.

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 3948614244 + 1312830289 = 62838^2 + 36233^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5261444533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5261444492 and 5261444501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5261444537) 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, 673966 + ... + 681727.

It is an arithmetic number, because the mean of its divisors is an integer number (1315701027).

Almost surely, 2^5261444533 is an apocalyptic number.

It is an amenable number.

5261444533 is a deficient number, since it is larger than the sum of its proper divisors (1359575).

5261444533 is a wasteful number, since it uses less digits than its factorization.

5261444533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359574.

The product of its digits is 172800, while the sum is 37.

The square root of 5261444533 is about 72535.8155189559. The cubic root of 5261444533 is about 1739.2753106938.

The spelling of 5261444533 in words is "five billion, two hundred sixty-one million, four hundred forty-four thousand, five hundred thirty-three".