2505433355213 has 2 divisors, whose sum is σ = 2505433355214. Its totient is φ = 2505433355212.

The previous prime is 2505433355197. The next prime is 2505433355233. The reversal of 2505433355213 is 3125533345052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2210821055689 + 294612299524 = 1486883^2 + 542782^2 .

It is a cyclic number.

It is not a de Polignac number, because 2505433355213 - 2⁴ = 2505433355197 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2505433355233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252716677606 + 1252716677607.

It is an arithmetic number, because the mean of its divisors is an integer number (1252716677607).

Almost surely, 2^{2505433355213} is an apocalyptic number.

It is an amenable number.

2505433355213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505433355213 is an equidigital number, since it uses as much as digits as its factorization.

2505433355213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810000, while the sum is 41.

The spelling of 2505433355213 in words is "two trillion, five hundred five billion, four hundred thirty-three million, three hundred fifty-five thousand, two hundred thirteen".