2549524881 has 16 divisors (see below), whose sum is σ = 3421343744. Its totient is φ = 1688725584.

The previous prime is 2549524877. The next prime is 2549524903. The reversal of 2549524881 is 1884259452.

It is not a de Polignac number, because 2549524881 - 2² = 2549524877 is a prime.

It is a super-2 number, since 2×2549524881² = 13000154237676128322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2549524881.

It is not an unprimeable number, because it can be changed into a prime (2549524801) 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, 362460 + ... + 369426.

It is an arithmetic number, because the mean of its divisors is an integer number (213833984).

Almost surely, 2^2549524881 is an apocalyptic number.

It is an amenable number.

2549524881 is a deficient number, since it is larger than the sum of its proper divisors (871818863).

2549524881 is a wasteful number, since it uses less digits than its factorization.

2549524881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7740.

The product of its digits is 921600, while the sum is 48.

The square root of 2549524881 is about 50492.8200935539. The cubic root of 2549524881 is about 1366.1123522865.

The spelling of 2549524881 in words is "two billion, five hundred forty-nine million, five hundred twenty-four thousand, eight hundred eighty-one".