245552701613 has 2 divisors, whose sum is σ = 245552701614. Its totient is φ = 245552701612.

The previous prime is 245552701579. The next prime is 245552701627. The reversal of 245552701613 is 316107255542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160623005284 + 84929696329 = 400778^2 + 291427^2 .

It is a cyclic number.

It is not a de Polignac number, because 245552701613 - 2¹⁸ = 245552439469 is a prime.

It is a super-2 number, since 2×245552701613² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245552707613) 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, 122776350806 + 122776350807.

It is an arithmetic number, because the mean of its divisors is an integer number (122776350807).

Almost surely, 2^245552701613 is an apocalyptic number.

It is an amenable number.

245552701613 is a deficient number, since it is larger than the sum of its proper divisors (1).

245552701613 is an equidigital number, since it uses as much as digits as its factorization.

245552701613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 245552701613 in words is "two hundred forty-five billion, five hundred fifty-two million, seven hundred one thousand, six hundred thirteen".