2545564529 has 2 divisors, whose sum is σ = 2545564530. Its totient is φ = 2545564528.

The previous prime is 2545564519. The next prime is 2545564579. The reversal of 2545564529 is 9254655452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1796064400 + 749500129 = 42380^2 + 27377^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2545564529 is a prime.

It is not a weakly prime, because it can be changed into another prime (2545564519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272782264 + 1272782265.

It is an arithmetic number, because the mean of its divisors is an integer number (1272782265).

Almost surely, 2^2545564529 is an apocalyptic number.

It is an amenable number.

2545564529 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545564529 is an equidigital number, since it uses as much as digits as its factorization.

2545564529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160000, while the sum is 47.

The square root of 2545564529 is about 50453.5878704379. The cubic root of 2545564529 is about 1365.4046270111.

The spelling of 2545564529 in words is "two billion, five hundred forty-five million, five hundred sixty-four thousand, five hundred twenty-nine".