1293295217 has 2 divisors, whose sum is σ = 1293295218. Its totient is φ = 1293295216.

The previous prime is 1293295177. The next prime is 1293295259. The reversal of 1293295217 is 7125923921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 685968481 + 607326736 = 26191^2 + 24644^2 .

It is an emirp because it is prime and its reverse (7125923921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1293295217 - 2¹² = 1293291121 is a prime.

It is a super-2 number, since 2×1293295217² = 3345225036630154178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1293291217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 646647608 + 646647609.

It is an arithmetic number, because the mean of its divisors is an integer number (646647609).

Almost surely, 2^1293295217 is an apocalyptic number.

It is an amenable number.

1293295217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1293295217 is an equidigital number, since it uses as much as digits as its factorization.

1293295217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 41.

The square root of 1293295217 is about 35962.4139484546. The cubic root of 1293295217 is about 1089.5133526065.

The spelling of 1293295217 in words is "one billion, two hundred ninety-three million, two hundred ninety-five thousand, two hundred seventeen".