2505602459 has 2 divisors, whose sum is σ = 2505602460. Its totient is φ = 2505602458.

The previous prime is 2505602419. The next prime is 2505602461. The reversal of 2505602459 is 9542065052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2505602459 - 2¹⁶ = 2505536923 is a prime.

Together with 2505602461, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2505602419) 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, 1252801229 + 1252801230.

It is an arithmetic number, because the mean of its divisors is an integer number (1252801230).

Almost surely, 2^2505602459 is an apocalyptic number.

2505602459 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505602459 is an equidigital number, since it uses as much as digits as its factorization.

2505602459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 2505602459 is about 50055.9932375735. The cubic root of 2505602459 is about 1358.2218794757.

The spelling of 2505602459 in words is "two billion, five hundred five million, six hundred two thousand, four hundred fifty-nine".