2505602017 has 2 divisors, whose sum is σ = 2505602018. Its totient is φ = 2505602016.

The previous prime is 2505602003. The next prime is 2505602051. The reversal of 2505602017 is 7102065052.

2505602017 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 can be written as a sum of positive squares in only one way, i.e., 2464526736 + 41075281 = 49644^2 + 6409^2 .

It is a cyclic number.

It is not a de Polignac number, because 2505602017 - 2²⁷ = 2371384289 is a prime.

It is not a weakly prime, because it can be changed into another prime (2505602317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252801008 + 1252801009.

It is an arithmetic number, because the mean of its divisors is an integer number (1252801009).

Almost surely, 2^2505602017 is an apocalyptic number.

It is an amenable number.

2505602017 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505602017 is an equidigital number, since it uses as much as digits as its factorization.

2505602017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 2505602017 is about 50055.9888225175. The cubic root of 2505602017 is about 1358.2217996101.

Adding to 2505602017 its reverse (7102065052), we get a palindrome (9607667069).

The spelling of 2505602017 in words is "two billion, five hundred five million, six hundred two thousand, seventeen".