305452550661197 has 2 divisors, whose sum is σ = 305452550661198. Its totient is φ = 305452550661196.

The previous prime is 305452550661173. The next prime is 305452550661199. The reversal of 305452550661197 is 791166055254503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 305381950982761 + 70599678436 = 17475181^2 + 265706^2 .

It is a cyclic number.

It is not a de Polignac number, because 305452550661197 - 2³² = 305448255693901 is a prime.

It is a super-2 number, since 2×305452550661197² (a number of 30 digits) contains 22 as substring.

Together with 305452550661199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (305452550661199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152726275330598 + 152726275330599.

It is an arithmetic number, because the mean of its divisors is an integer number (152726275330599).

Almost surely, 2^{305452550661197} is an apocalyptic number.

It is an amenable number.

305452550661197 is a deficient number, since it is larger than the sum of its proper divisors (1).

305452550661197 is an equidigital number, since it uses as much as digits as its factorization.

305452550661197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020000, while the sum is 59.

The spelling of 305452550661197 in words is "three hundred five trillion, four hundred fifty-two billion, five hundred fifty million, six hundred sixty-one thousand, one hundred ninety-seven".