2545274888 has 16 divisors (see below), whose sum is σ = 5139497580. Its totient is φ = 1174742208.

The previous prime is 2545274863. The next prime is 2545274891. The reversal of 2545274888 is 8884725452.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2542378084 + 2896804 = 50422^2 + 1702^2 .

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12236795 + ... + 12237002.

Almost surely, 2^2545274888 is an apocalyptic number.

It is an amenable number.

2545274888 is an abundant number, since it is smaller than the sum of its proper divisors (2594222692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2545274888 is a wasteful number, since it uses less digits than its factorization.

2545274888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24473816 (or 24473812 counting only the distinct ones).

The product of its digits is 5734400, while the sum is 53.

The square root of 2545274888 is about 50450.7174180903. The cubic root of 2545274888 is about 1365.3528386085.

The spelling of 2545274888 in words is "two billion, five hundred forty-five million, two hundred seventy-four thousand, eight hundred eighty-eight".