2705545 has 8 divisors (see below), whose sum is σ = 3255624. Its totient is φ = 2158464.

The previous prime is 2705539. The next prime is 2705561. The reversal of 2705545 is 5455072.

It can be written as a sum of positive squares in 4 ways, for example, as 110224 + 2595321 = 332^2 + 1611^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2705545 - 2³ = 2705537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2647 + ... + 3523.

It is an arithmetic number, because the mean of its divisors is an integer number (406953).

2^2705545 is an apocalyptic number.

It is an amenable number.

2705545 is a deficient number, since it is larger than the sum of its proper divisors (550079).

2705545 is an equidigital number, since it uses as much as digits as its factorization.

2705545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499.

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 2705545 is about 1644.8540968730. The cubic root of 2705545 is about 139.3429243084.

The spelling of 2705545 in words is "two million, seven hundred five thousand, five hundred forty-five".