1713281 has 2 divisors, whose sum is σ = 1713282. Its totient is φ = 1713280.

The previous prime is 1713251. The next prime is 1713289. The reversal of 1713281 is 1823171.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 874225 + 839056 = 935^2 + 916^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1713281 is a prime.

It is a super-2 number, since 2×1713281² = 5870663569922, which contains 22 as substring.

It is equal to p₁₂₉₀₅₆ and since 1713281 and 129056 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1713289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 856640 + 856641.

It is an arithmetic number, because the mean of its divisors is an integer number (856641).

2^1713281 is an apocalyptic number.

It is an amenable number.

1713281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1713281 is an equidigital number, since it uses as much as digits as its factorization.

1713281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336, while the sum is 23.

The square root of 1713281 is about 1308.9236035766. The cubic root of 1713281 is about 119.6583103993.

The spelling of 1713281 in words is "one million, seven hundred thirteen thousand, two hundred eighty-one".