1697383 has 2 divisors, whose sum is σ = 1697384. Its totient is φ = 1697382.

The previous prime is 1697357. The next prime is 1697389. The reversal of 1697383 is 3837961.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1697383 - 2⁵ = 1697351 is a prime.

It is a super-2 number, since 2×1697383² = 5762218097378, which contains 22 as substring.

It is a plaindrome in base 15.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1697389) 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, 848691 + 848692.

It is an arithmetic number, because the mean of its divisors is an integer number (848692).

2^1697383 is an apocalyptic number.

1697383 is a deficient number, since it is larger than the sum of its proper divisors (1).

1697383 is an equidigital number, since it uses as much as digits as its factorization.

1697383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 37.

The square root of 1697383 is about 1302.8365208268. The cubic root of 1697383 is about 119.2870456714.

It can be divided in two parts, 1697 and 383, that added together give a triangular number (2080 = T₆₄).

The spelling of 1697383 in words is "one million, six hundred ninety-seven thousand, three hundred eighty-three".