2782065 has 32 divisors (see below), whose sum is σ = 5233536. Its totient is φ = 1244160.

The previous prime is 2782063. The next prime is 2782069. The reversal of 2782065 is 5602872.

It is not a de Polignac number, because 2782065 - 2¹ = 2782063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2782061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1497 + ... + 2793.

It is an arithmetic number, because the mean of its divisors is an integer number (163548).

2^2782065 is an apocalyptic number.

It is an amenable number.

2782065 is a deficient number, since it is larger than the sum of its proper divisors (2451471).

2782065 is a wasteful number, since it uses less digits than its factorization.

2782065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 2782065 is about 1667.9523374485. The cubic root of 2782065 is about 140.6443933747.

The spelling of 2782065 in words is "two million, seven hundred eighty-two thousand, sixty-five".