1696543 has 2 divisors, whose sum is σ = 1696544. Its totient is φ = 1696542.

The previous prime is 1696523. The next prime is 1696547. The reversal of 1696543 is 3456961.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1696543 - 2⁵ = 1696511 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 1696499 and 1696508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1696547) 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, 848271 + 848272.

It is an arithmetic number, because the mean of its divisors is an integer number (848272).

2^1696543 is an apocalyptic number.

1696543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1696543 is an equidigital number, since it uses as much as digits as its factorization.

1696543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 34.

The square root of 1696543 is about 1302.5141074092. The cubic root of 1696543 is about 119.2673648545.

The spelling of 1696543 in words is "one million, six hundred ninety-six thousand, five hundred forty-three".