1718441 has 2 divisors, whose sum is σ = 1718442. Its totient is φ = 1718440.

The previous prime is 1718429. The next prime is 1718447. The reversal of 1718441 is 1448171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1392400 + 326041 = 1180^2 + 571^2 .

It is an emirp because it is prime and its reverse (1448171) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1718441 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1718441.

It is not a weakly prime, because it can be changed into another prime (1718447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 859220 + 859221.

It is an arithmetic number, because the mean of its divisors is an integer number (859221).

2^1718441 is an apocalyptic number.

It is an amenable number.

1718441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1718441 is an equidigital number, since it uses as much as digits as its factorization.

1718441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 896, while the sum is 26.

The square root of 1718441 is about 1310.8932069395. The cubic root of 1718441 is about 119.7783175782.

The spelling of 1718441 in words is "one million, seven hundred eighteen thousand, four hundred forty-one".