2670065 has 4 divisors (see below), whose sum is σ = 3204084. Its totient is φ = 2136048.

The previous prime is 2670053. The next prime is 2670067. The reversal of 2670065 is 5600762.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1442401 + 1227664 = 1201^2 + 1108^2 .

It is a cyclic number.

It is not a de Polignac number, because 2670065 - 2⁴ = 2670049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2670067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267002 + ... + 267011.

It is an arithmetic number, because the mean of its divisors is an integer number (801021).

2^2670065 is an apocalyptic number.

It is an amenable number.

2670065 is a deficient number, since it is larger than the sum of its proper divisors (534019).

2670065 is an equidigital number, since it uses as much as digits as its factorization.

2670065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534018.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 2670065 is about 1634.0333533928. The cubic root of 2670065 is about 138.7311366830.

The spelling of 2670065 in words is "two million, six hundred seventy thousand, sixty-five".