2545566833 has 2 divisors, whose sum is σ = 2545566834. Its totient is φ = 2545566832.

The previous prime is 2545566797. The next prime is 2545566853. The reversal of 2545566833 is 3386655452.

2545566833 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2008115344 + 537451489 = 44812^2 + 23183^2 .

It is a cyclic number.

It is not a de Polignac number, because 2545566833 - 2⁶ = 2545566769 is a prime.

It is not a weakly prime, because it can be changed into another prime (2545566853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272783416 + 1272783417.

It is an arithmetic number, because the mean of its divisors is an integer number (1272783417).

Almost surely, 2^2545566833 is an apocalyptic number.

It is an amenable number.

2545566833 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545566833 is an equidigital number, since it uses as much as digits as its factorization.

2545566833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592000, while the sum is 47.

The square root of 2545566833 is about 50453.6107032985. The cubic root of 2545566833 is about 1365.4050389552.

The spelling of 2545566833 in words is "two billion, five hundred forty-five million, five hundred sixty-six thousand, eight hundred thirty-three".