2542545263 has 2 divisors, whose sum is σ = 2542545264. Its totient is φ = 2542545262.

The previous prime is 2542545193. The next prime is 2542545277. The reversal of 2542545263 is 3625452452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2542545263 - 2¹⁰ = 2542544239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2542545283) 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 as a sum of consecutive naturals, namely, 1271272631 + 1271272632.

It is an arithmetic number, because the mean of its divisors is an integer number (1271272632).

Almost surely, 2^2542545263 is an apocalyptic number.

2542545263 is a deficient number, since it is larger than the sum of its proper divisors (1).

2542545263 is an equidigital number, since it uses as much as digits as its factorization.

2542545263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288000, while the sum is 38.

The square root of 2542545263 is about 50423.6577709313. The cubic root of 2542545263 is about 1364.8645829873.

The spelling of 2542545263 in words is "two billion, five hundred forty-two million, five hundred forty-five thousand, two hundred sixty-three".