1917341 has 2 divisors, whose sum is σ = 1917342. Its totient is φ = 1917340.

The previous prime is 1917337. The next prime is 1917343. The reversal of 1917341 is 1437191.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1811716 + 105625 = 1346^2 + 325^2 .

It is a cyclic number.

It is not a de Polignac number, because 1917341 - 2² = 1917337 is a prime.

Together with 1917343, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1917341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1917343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 958670 + 958671.

It is an arithmetic number, because the mean of its divisors is an integer number (958671).

2^1917341 is an apocalyptic number.

It is an amenable number.

1917341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1917341 is an equidigital number, since it uses as much as digits as its factorization.

1917341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756, while the sum is 26.

The square root of 1917341 is about 1384.6808296499. The cubic root of 1917341 is about 124.2318978199.

The spelling of 1917341 in words is "one million, nine hundred seventeen thousand, three hundred forty-one".