245342402250997 has 2 divisors, whose sum is σ = 245342402250998. Its totient is φ = 245342402250996.

The previous prime is 245342402250941. The next prime is 245342402251031. The reversal of 245342402250997 is 799052204243542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240227246538756 + 5115155712241 = 15499266^2 + 2261671^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245342402250997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245342402250397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122671201125498 + 122671201125499.

It is an arithmetic number, because the mean of its divisors is an integer number (122671201125499).

Almost surely, 2^{245342402250997} is an apocalyptic number.

It is an amenable number.

245342402250997 is a deficient number, since it is larger than the sum of its proper divisors (1).

245342402250997 is an equidigital number, since it uses as much as digits as its factorization.

245342402250997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43545600, while the sum is 58.

The spelling of 245342402250997 in words is "two hundred forty-five trillion, three hundred forty-two billion, four hundred two million, two hundred fifty thousand, nine hundred ninety-seven".