2505602213 has 2 divisors, whose sum is σ = 2505602214. Its totient is φ = 2505602212.

The previous prime is 2505602207. The next prime is 2505602227. The reversal of 2505602213 is 3122065052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2090135524 + 415466689 = 45718^2 + 20383^2 .

It is a cyclic number.

It is not a de Polignac number, because 2505602213 - 2²⁶ = 2438493349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2505602413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252801106 + 1252801107.

It is an arithmetic number, because the mean of its divisors is an integer number (1252801107).

Almost surely, 2^2505602213 is an apocalyptic number.

It is an amenable number.

2505602213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505602213 is an equidigital number, since it uses as much as digits as its factorization.

2505602213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2505602213 is about 50055.9907803252. The cubic root of 2505602213 is about 1358.2218350256.

Adding to 2505602213 its reverse (3122065052), we get a palindrome (5627667265).

The spelling of 2505602213 in words is "two billion, five hundred five million, six hundred two thousand, two hundred thirteen".