2533474581 has 16 divisors (see below), whose sum is σ = 3698088960. Its totient is φ = 1530007920.

The previous prime is 2533474543. The next prime is 2533474627. The reversal of 2533474581 is 1854743352.

It is not a de Polignac number, because 2533474581 - 2¹⁴ = 2533458197 is a prime.

It is a super-2 number, since 2×2533474581² = 12836986905146251122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2533474381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126301 + ... + 144978.

It is an arithmetic number, because the mean of its divisors is an integer number (231130560).

Almost surely, 2^2533474581 is an apocalyptic number.

It is an amenable number.

2533474581 is a deficient number, since it is larger than the sum of its proper divisors (1164614379).

2533474581 is a wasteful number, since it uses less digits than its factorization.

2533474581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271576.

The product of its digits is 403200, while the sum is 42.

The square root of 2533474581 is about 50333.6327022002. The cubic root of 2533474581 is about 1363.2395703847.

The spelling of 2533474581 in words is "two billion, five hundred thirty-three million, four hundred seventy-four thousand, five hundred eighty-one".