2545564452 has 24 divisors (see below), whose sum is σ = 5972471232. Its totient is φ = 843832800.

The previous prime is 2545564451. The next prime is 2545564453. The reversal of 2545564452 is 2544655452.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2545564451) and next prime (2545564453).

It is not an unprimeable number, because it can be changed into a prime (2545564451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 583824 + ... + 588167.

It is an arithmetic number, because the mean of its divisors is an integer number (248852968).

Almost surely, 2^2545564452 is an apocalyptic number.

It is an amenable number.

2545564452 is an abundant number, since it is smaller than the sum of its proper divisors (3426906780).

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

2545564452 is a wasteful number, since it uses less digits than its factorization.

2545564452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172179 (or 1172177 counting only the distinct ones).

The product of its digits is 960000, while the sum is 42.

The square root of 2545564452 is about 50453.5871073604. The cubic root of 2545564452 is about 1365.4046132438.

The spelling of 2545564452 in words is "two billion, five hundred forty-five million, five hundred sixty-four thousand, four hundred fifty-two".