1774313 has 2 divisors, whose sum is σ = 1774314. Its totient is φ = 1774312.

The previous prime is 1774303. The next prime is 1774321. The reversal of 1774313 is 3134771.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1570009 + 204304 = 1253^2 + 452^2 .

It is an emirp because it is prime and its reverse (3134771) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1774313 - 2¹² = 1770217 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1774303) 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, 887156 + 887157.

It is an arithmetic number, because the mean of its divisors is an integer number (887157).

2^1774313 is an apocalyptic number.

It is an amenable number.

1774313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1774313 is an equidigital number, since it uses as much as digits as its factorization.

1774313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1764, while the sum is 26.

The square root of 1774313 is about 1332.0334079895. The cubic root of 1774313 is about 121.0626226855.

The spelling of 1774313 in words is "one million, seven hundred seventy-four thousand, three hundred thirteen".