2542561223 has 2 divisors, whose sum is σ = 2542561224. Its totient is φ = 2542561222.

The previous prime is 2542561159. The next prime is 2542561237. The reversal of 2542561223 is 3221652452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2542561223 - 2⁶ = 2542561159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2542561223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2542561253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271280611 + 1271280612.

It is an arithmetic number, because the mean of its divisors is an integer number (1271280612).

Almost surely, 2^2542561223 is an apocalyptic number.

2542561223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2542561223 is an equidigital number, since it uses as much as digits as its factorization.

2542561223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 32.

The square root of 2542561223 is about 50423.8160297294. The cubic root of 2542561223 is about 1364.8674388123.

The spelling of 2542561223 in words is "two billion, five hundred forty-two million, five hundred sixty-one thousand, two hundred twenty-three".