1705081 has 4 divisors (see below), whose sum is σ = 1948672. Its totient is φ = 1461492.

The previous prime is 1705051. The next prime is 1705097. The reversal of 1705081 is 1805071.

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.

It is a cyclic number.

It is not a de Polignac number, because 1705081 - 2⁷ = 1704953 is a prime.

It is a super-2 number, since 2×1705081² = 5814602433122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1705001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121785 + ... + 121798.

It is an arithmetic number, because the mean of its divisors is an integer number (487168).

2^1705081 is an apocalyptic number.

It is an amenable number.

1705081 is a deficient number, since it is larger than the sum of its proper divisors (243591).

1705081 is an equidigital number, since it uses as much as digits as its factorization.

1705081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243590.

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 1705081 is about 1305.7875018547. The cubic root of 1705081 is about 119.4671046165.

The spelling of 1705081 in words is "one million, seven hundred five thousand, eighty-one".