1705285655 has 4 divisors (see below), whose sum is σ = 2046342792. Its totient is φ = 1364228520.

The previous prime is 1705285649. The next prime is 1705285693. The reversal of 1705285655 is 5565825071.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5565825071 = 41 ⋅135751831.

It is not a de Polignac number, because 1705285655 - 2⁶ = 1705285591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170528561 + ... + 170528570.

It is an arithmetic number, because the mean of its divisors is an integer number (511585698).

Almost surely, 2^1705285655 is an apocalyptic number.

1705285655 is a deficient number, since it is larger than the sum of its proper divisors (341057137).

1705285655 is an equidigital number, since it uses as much as digits as its factorization.

1705285655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341057136.

The product of its (nonzero) digits is 420000, while the sum is 44.

The square root of 1705285655 is about 41295.1044919371. The cubic root of 1705285655 is about 1194.7188416701.

It can be divided in two parts, 170 and 5285655, that added together give a palindrome (5285825).

The spelling of 1705285655 in words is "one billion, seven hundred five million, two hundred eighty-five thousand, six hundred fifty-five".