245520302297 has 2 divisors, whose sum is σ = 245520302298. Its totient is φ = 245520302296.

The previous prime is 245520302213. The next prime is 245520302323. The reversal of 245520302297 is 792203025542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244427404816 + 1092897481 = 494396^2 + 33059^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245520302297 is a prime.

It is not a weakly prime, because it can be changed into another prime (245520301297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122760151148 + 122760151149.

It is an arithmetic number, because the mean of its divisors is an integer number (122760151149).

Almost surely, 2^245520302297 is an apocalyptic number.

It is an amenable number.

245520302297 is a deficient number, since it is larger than the sum of its proper divisors (1).

245520302297 is an equidigital number, since it uses as much as digits as its factorization.

245520302297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 245520302297 in words is "two hundred forty-five billion, five hundred twenty million, three hundred two thousand, two hundred ninety-seven".