1697005223 has 4 divisors (see below), whose sum is σ = 1697512008. Its totient is φ = 1696498440.

The previous prime is 1697005217. The next prime is 1697005249. The reversal of 1697005223 is 3225007961.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1697005223 - 2¹⁸ = 1696743079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1697005283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248336 + ... + 255077.

It is an arithmetic number, because the mean of its divisors is an integer number (424378002).

Almost surely, 2^1697005223 is an apocalyptic number.

1697005223 is a deficient number, since it is larger than the sum of its proper divisors (506785).

1697005223 is an equidigital number, since it uses as much as digits as its factorization.

1697005223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506784.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 1697005223 is about 41194.7232421824. The cubic root of 1697005223 is about 1192.7819533216.

The spelling of 1697005223 in words is "one billion, six hundred ninety-seven million, five thousand, two hundred twenty-three".