245573046275897 has 2 divisors, whose sum is σ = 245573046275898. Its totient is φ = 245573046275896.

The previous prime is 245573046275839. The next prime is 245573046275911. The reversal of 245573046275897 is 798572640375542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 164351476961296 + 81221569314601 = 12819964^2 + 9012301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245573046275897 is a prime.

It is a super-2 number, since 2×245573046275897² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (245573046295897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122786523137948 + 122786523137949.

It is an arithmetic number, because the mean of its divisors is an integer number (122786523137949).

Almost surely, 2^{245573046275897} is an apocalyptic number.

It is an amenable number.

245573046275897 is a deficient number, since it is larger than the sum of its proper divisors (1).

245573046275897 is an equidigital number, since it uses as much as digits as its factorization.

245573046275897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3556224000, while the sum is 74.

The spelling of 245573046275897 in words is "two hundred forty-five trillion, five hundred seventy-three billion, forty-six million, two hundred seventy-five thousand, eight hundred ninety-seven".