245343253115417 has 2 divisors, whose sum is σ = 245343253115418. Its totient is φ = 245343253115416.

The previous prime is 245343253115329. The next prime is 245343253115447. The reversal of 245343253115417 is 714511352343542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126806990461321 + 118536262654096 = 11260861^2 + 10887436^2 .

It is a cyclic number.

It is not a de Polignac number, because 245343253115417 - 2¹⁸ = 245343252853273 is a prime.

It is not a weakly prime, because it can be changed into another prime (245343253115447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122671626557708 + 122671626557709.

It is an arithmetic number, because the mean of its divisors is an integer number (122671626557709).

Almost surely, 2^{245343253115417} is an apocalyptic number.

It is an amenable number.

245343253115417 is a deficient number, since it is larger than the sum of its proper divisors (1).

245343253115417 is an equidigital number, since it uses as much as digits as its factorization.

245343253115417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048000, while the sum is 50.

The spelling of 245343253115417 in words is "two hundred forty-five trillion, three hundred forty-three billion, two hundred fifty-three million, one hundred fifteen thousand, four hundred seventeen".