1700997 has 4 divisors (see below), whose sum is σ = 2268000. Its totient is φ = 1133996.

The previous prime is 1700987. The next prime is 1701017. The reversal of 1700997 is 7990071.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7990071 = 3 ⋅2663357.

It is a cyclic number.

It is not a de Polignac number, because 1700997 - 2⁴ = 1700981 is a prime.

It is an Ulam number.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1700917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283497 + ... + 283502.

It is an arithmetic number, because the mean of its divisors is an integer number (567000).

2^1700997 is an apocalyptic number.

It is an amenable number.

1700997 is a deficient number, since it is larger than the sum of its proper divisors (567003).

1700997 is an equidigital number, since it uses as much as digits as its factorization.

1700997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567002.

The product of its (nonzero) digits is 3969, while the sum is 33.

The square root of 1700997 is about 1304.2227570473. Note that the first 3 decimals coincide. The cubic root of 1700997 is about 119.3716460595.

The spelling of 1700997 in words is "one million, seven hundred thousand, nine hundred ninety-seven".