2545564351 has 16 divisors (see below), whose sum is σ = 2814409728. Its totient is φ = 2283127200.

The previous prime is 2545564339. The next prime is 2545564361. The reversal of 2545564351 is 1534655452.

It is a cyclic number.

It is not a de Polignac number, because 2545564351 - 2²³ = 2537175743 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 (2545564331) 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, 309786 + ... + 317896.

It is an arithmetic number, because the mean of its divisors is an integer number (175900608).

Almost surely, 2^2545564351 is an apocalyptic number.

2545564351 is a deficient number, since it is larger than the sum of its proper divisors (268845377).

2545564351 is a wasteful number, since it uses less digits than its factorization.

2545564351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8502.

The product of its digits is 360000, while the sum is 40.

The square root of 2545564351 is about 50453.5861064404. The cubic root of 2545564351 is about 1365.4045951855.

The spelling of 2545564351 in words is "two billion, five hundred forty-five million, five hundred sixty-four thousand, three hundred fifty-one".