2245617317 has 2 divisors, whose sum is σ = 2245617318. Its totient is φ = 2245617316.

The previous prime is 2245617307. The next prime is 2245617377. The reversal of 2245617317 is 7137165422.

2245617317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2187339361 + 58277956 = 46769^2 + 7634^2 .

It is a cyclic number.

It is not a de Polignac number, because 2245617317 - 2¹⁴ = 2245600933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2245617307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1122808658 + 1122808659.

It is an arithmetic number, because the mean of its divisors is an integer number (1122808659).

Almost surely, 2^2245617317 is an apocalyptic number.

It is an amenable number.

2245617317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2245617317 is an equidigital number, since it uses as much as digits as its factorization.

2245617317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 38.

The square root of 2245617317 is about 47387.9448488748. The cubic root of 2245617317 is about 1309.5193382555.

The spelling of 2245617317 in words is "two billion, two hundred forty-five million, six hundred seventeen thousand, three hundred seventeen".