2705285 has 16 divisors (see below), whose sum is σ = 3583872. Its totient is φ = 1944000.

The previous prime is 2705257. The next prime is 2705291. The reversal of 2705285 is 5825072.

It is a de Polignac number, because none of the positive numbers 2^k-2705285 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5312 + ... + 5798.

It is an arithmetic number, because the mean of its divisors is an integer number (223992).

2^2705285 is an apocalyptic number.

It is an amenable number.

2705285 is a deficient number, since it is larger than the sum of its proper divisors (878587).

2705285 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 9 representation: 2705285 = (5072852)₉.

2705285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 2705285 is about 1644.7750606086. The cubic root of 2705285 is about 139.3384605965.

It can be divided in two parts, 270 and 5285, that added together give a palindrome (5555).

The spelling of 2705285 in words is "two million, seven hundred five thousand, two hundred eighty-five".