2565245363 has 2 divisors, whose sum is σ = 2565245364. Its totient is φ = 2565245362.

The previous prime is 2565245359. The next prime is 2565245399. The reversal of 2565245363 is 3635425652.

2565245363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2565245363 - 2² = 2565245359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2565245363.

It is not a weakly prime, because it can be changed into another prime (2565245303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282622681 + 1282622682.

It is an arithmetic number, because the mean of its divisors is an integer number (1282622682).

Almost surely, 2^2565245363 is an apocalyptic number.

2565245363 is a deficient number, since it is larger than the sum of its proper divisors (1).

2565245363 is an equidigital number, since it uses as much as digits as its factorization.

2565245363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648000, while the sum is 41.

The square root of 2565245363 is about 50648.2513321043. The cubic root of 2565245363 is about 1368.9144370794.

The spelling of 2565245363 in words is "two billion, five hundred sixty-five million, two hundred forty-five thousand, three hundred sixty-three".