245727027097 has 2 divisors, whose sum is σ = 245727027098. Its totient is φ = 245727027096.

The previous prime is 245727027089. The next prime is 245727027109. The reversal of 245727027097 is 790720727542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157215422016 + 88511605081 = 396504^2 + 297509^2 .

It is a cyclic number.

It is not a de Polignac number, because 245727027097 - 2³ = 245727027089 is a prime.

It is not a weakly prime, because it can be changed into another prime (245727027397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122863513548 + 122863513549.

It is an arithmetic number, because the mean of its divisors is an integer number (122863513549).

Almost surely, 2^245727027097 is an apocalyptic number.

It is an amenable number.

245727027097 is a deficient number, since it is larger than the sum of its proper divisors (1).

245727027097 is an equidigital number, since it uses as much as digits as its factorization.

245727027097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3457440, while the sum is 52.

The spelling of 245727027097 in words is "two hundred forty-five billion, seven hundred twenty-seven million, twenty-seven thousand, ninety-seven".