2756065 has 16 divisors (see below), whose sum is σ = 3603600. Its totient is φ = 2011392.

The previous prime is 2756059. The next prime is 2756069. The reversal of 2756065 is 5606572.

It can be written as a sum of positive squares in 8 ways, for example, as 247009 + 2509056 = 497^2 + 1584^2 .

It is a cyclic number.

It is not a de Polignac number, because 2756065 - 2¹³ = 2747873 is a prime.

2756065 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2756069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6891 + ... + 7279.

It is an arithmetic number, because the mean of its divisors is an integer number (225225).

2^2756065 is an apocalyptic number.

It is an amenable number.

2756065 is a deficient number, since it is larger than the sum of its proper divisors (847535).

2756065 is a wasteful number, since it uses less digits than its factorization.

2756065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 2756065 is about 1660.1400543328. The cubic root of 2756065 is about 140.2048870806.

The spelling of 2756065 in words is "two million, seven hundred fifty-six thousand, sixty-five".