245460202397 has 2 divisors, whose sum is σ = 245460202398. Its totient is φ = 245460202396.

The previous prime is 245460202391. The next prime is 245460202417. The reversal of 245460202397 is 793202064542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232406911396 + 13053291001 = 482086^2 + 114251^2 .

It is a cyclic number.

It is not a de Polignac number, because 245460202397 - 2²² = 245456008093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245460202391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122730101198 + 122730101199.

It is an arithmetic number, because the mean of its divisors is an integer number (122730101199).

Almost surely, 2^245460202397 is an apocalyptic number.

It is an amenable number.

245460202397 is a deficient number, since it is larger than the sum of its proper divisors (1).

245460202397 is an equidigital number, since it uses as much as digits as its factorization.

245460202397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 245460202397 in words is "two hundred forty-five billion, four hundred sixty million, two hundred two thousand, three hundred ninety-seven".