1001705 has 4 divisors (see below), whose sum is σ = 1202052. Its totient is φ = 801360.

The previous prime is 1001687. The next prime is 1001713. The reversal of 1001705 is 5071001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5071001 = 13 ⋅390077.

It can be written as a sum of positive squares in 2 ways, for example, as 177241 + 824464 = 421^2 + 908^2 .

It is not a de Polignac number, because 1001705 - 2¹² = 997609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1001705.

It is an unprimeable number.

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, 100166 + ... + 100175.

It is an arithmetic number, because the mean of its divisors is an integer number (300513).

2^1001705 is an apocalyptic number.

It is an amenable number.

1001705 is a deficient number, since it is larger than the sum of its proper divisors (200347).

1001705 is an equidigital number, since it uses as much as digits as its factorization.

1001705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200346.

The product of its (nonzero) digits is 35, while the sum is 14.

The square root of 1001705 is about 1000.8521369313. The cubic root of 1001705 is about 100.0568010636.

Adding to 1001705 its reverse (5071001), we get a palindrome (6072706).

The spelling of 1001705 in words is "one million, one thousand, seven hundred five".