1711993 has 2 divisors, whose sum is σ = 1711994. Its totient is φ = 1711992.

The previous prime is 1711981. The next prime is 1712017. The reversal of 1711993 is 3991171.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1468944 + 243049 = 1212^2 + 493^2 .

It is a cyclic number.

It is not a de Polignac number, because 1711993 - 2⁵ = 1711961 is a prime.

It is a super-4 number, since 4×1711993⁴ (a number of 26 digits) contains 4444 as substring.

It is a d-powerful number, because it can be written as 1 + 7⁶ + 1 + 1 + 9 + 9 + 3¹³ .

It is not a weakly prime, because it can be changed into another prime (1711973) 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, 855996 + 855997.

It is an arithmetic number, because the mean of its divisors is an integer number (855997).

2^1711993 is an apocalyptic number.

It is an amenable number.

1711993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1711993 is an equidigital number, since it uses as much as digits as its factorization.

1711993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1701, while the sum is 31.

The square root of 1711993 is about 1308.4315037479. The cubic root of 1711993 is about 119.6283175491.

It can be divided in two parts, 1711 and 993, that added together give a square (2704 = 52²).

The spelling of 1711993 in words is "one million, seven hundred eleven thousand, nine hundred ninety-three".