5225256613 has 2 divisors, whose sum is σ = 5225256614. Its totient is φ = 5225256612.

The previous prime is 5225256611. The next prime is 5225256623. The reversal of 5225256613 is 3166525225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2961209889 + 2264046724 = 54417^2 + 47582^2 .

It is a cyclic number.

It is not a de Polignac number, because 5225256613 - 2¹ = 5225256611 is a prime.

Together with 5225256611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5225256611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2612628306 + 2612628307.

It is an arithmetic number, because the mean of its divisors is an integer number (2612628307).

Almost surely, 2^5225256613 is an apocalyptic number.

It is an amenable number.

5225256613 is a deficient number, since it is larger than the sum of its proper divisors (1).

5225256613 is an equidigital number, since it uses as much as digits as its factorization.

5225256613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108000, while the sum is 37.

The square root of 5225256613 is about 72285.9364814485. The cubic root of 5225256613 is about 1735.2785875932.

The spelling of 5225256613 in words is "five billion, two hundred twenty-five million, two hundred fifty-six thousand, six hundred thirteen".