1745342617 has 2 divisors, whose sum is σ = 1745342618. Its totient is φ = 1745342616.

The previous prime is 1745342597. The next prime is 1745342633. The reversal of 1745342617 is 7162435471.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1205756176 + 539586441 = 34724^2 + 23229^2 .

It is an emirp because it is prime and its reverse (7162435471) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1745342617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1745342617.

It is not a weakly prime, because it can be changed into another prime (1745342657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 872671308 + 872671309.

It is an arithmetic number, because the mean of its divisors is an integer number (872671309).

Almost surely, 2^1745342617 is an apocalyptic number.

It is an amenable number.

1745342617 is a deficient number, since it is larger than the sum of its proper divisors (1).

1745342617 is an equidigital number, since it uses as much as digits as its factorization.

1745342617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 40.

The square root of 1745342617 is about 41777.2978661856. The cubic root of 1745342617 is about 1204.0011389212.

The spelling of 1745342617 in words is "one billion, seven hundred forty-five million, three hundred forty-two thousand, six hundred seventeen".