2565036049 has 2 divisors, whose sum is σ = 2565036050. Its totient is φ = 2565036048.

The previous prime is 2565035987. The next prime is 2565036077. The reversal of 2565036049 is 9406305652.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2438878225 + 126157824 = 49385^2 + 11232^2 .

It is a cyclic number.

It is not a de Polignac number, because 2565036049 - 2⁹ = 2565035537 is a prime.

It is not a weakly prime, because it can be changed into another prime (2565036079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282518024 + 1282518025.

It is an arithmetic number, because the mean of its divisors is an integer number (1282518025).

Almost surely, 2^2565036049 is an apocalyptic number.

It is an amenable number.

2565036049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2565036049 is an equidigital number, since it uses as much as digits as its factorization.

2565036049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 40.

The square root of 2565036049 is about 50646.1849402302. The cubic root of 2565036049 is about 1368.8772033766.

It can be divided in two parts, 256 and 5036049, that added together give a palindrome (5036305).

The spelling of 2565036049 in words is "two billion, five hundred sixty-five million, thirty-six thousand, forty-nine".