2562257533 has 4 divisors (see below), whose sum is σ = 2795190048. Its totient is φ = 2329325020.

The previous prime is 2562257513. The next prime is 2562257591. The reversal of 2562257533 is 3357522652.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2562257533 - 2²¹ = 2560160381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2562257513) 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, 116466241 + ... + 116466262.

It is an arithmetic number, because the mean of its divisors is an integer number (698797512).

Almost surely, 2^2562257533 is an apocalyptic number.

It is an amenable number.

2562257533 is a deficient number, since it is larger than the sum of its proper divisors (232932515).

2562257533 is a wasteful number, since it uses less digits than its factorization.

2562257533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232932514.

The product of its digits is 378000, while the sum is 40.

The square root of 2562257533 is about 50618.7468533151. The cubic root of 2562257533 is about 1368.3827566062.

The spelling of 2562257533 in words is "two billion, five hundred sixty-two million, two hundred fifty-seven thousand, five hundred thirty-three".