1712881 has 2 divisors, whose sum is σ = 1712882. Its totient is φ = 1712880.

The previous prime is 1712861. The next prime is 1712891. The reversal of 1712881 is 1882171.

1712881 is nontrivially palindromic in base 6.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1032256 + 680625 = 1016^2 + 825^2 .

It is an emirp because it is prime and its reverse (1882171) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1712881 - 2⁹ = 1712369 is a prime.

It is a super-2 number, since 2×1712881² = 5867922640322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1712861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 856440 + 856441.

It is an arithmetic number, because the mean of its divisors is an integer number (856441).

2^1712881 is an apocalyptic number.

It is an amenable number.

1712881 is a deficient number, since it is larger than the sum of its proper divisors (1).

1712881 is an equidigital number, since it uses as much as digits as its factorization.

1712881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 896, while the sum is 28.

The square root of 1712881 is about 1308.7707973515. The cubic root of 1712881 is about 119.6489974593.

The spelling of 1712881 in words is "one million, seven hundred twelve thousand, eight hundred eighty-one".