2505536459 has 2 divisors, whose sum is σ = 2505536460. Its totient is φ = 2505536458.

The previous prime is 2505536447. The next prime is 2505536543. The reversal of 2505536459 is 9546355052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2505536459 - 2⁸ = 2505536203 is a prime.

It is not a weakly prime, because it can be changed into another prime (2505538459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252768229 + 1252768230.

It is an arithmetic number, because the mean of its divisors is an integer number (1252768230).

Almost surely, 2^2505536459 is an apocalyptic number.

2505536459 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505536459 is an equidigital number, since it uses as much as digits as its factorization.

2505536459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810000, while the sum is 44.

The square root of 2505536459 is about 50055.3339715160. Note that the first 3 decimals coincide. The cubic root of 2505536459 is about 1358.2099537435.

The spelling of 2505536459 in words is "two billion, five hundred five million, five hundred thirty-six thousand, four hundred fifty-nine".