2565264367 has 2 divisors, whose sum is σ = 2565264368. Its totient is φ = 2565264366.

The previous prime is 2565264349. The next prime is 2565264409. The reversal of 2565264367 is 7634625652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2565264367 - 2⁷ = 2565264239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2565264467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282632183 + 1282632184.

It is an arithmetic number, because the mean of its divisors is an integer number (1282632184).

Almost surely, 2^2565264367 is an apocalyptic number.

2565264367 is a deficient number, since it is larger than the sum of its proper divisors (1).

2565264367 is an equidigital number, since it uses as much as digits as its factorization.

2565264367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1814400, while the sum is 46.

The square root of 2565264367 is about 50648.4389394185. The cubic root of 2565264367 is about 1368.9178174949.

The spelling of 2565264367 in words is "two billion, five hundred sixty-five million, two hundred sixty-four thousand, three hundred sixty-seven".