2636065 has 8 divisors (see below), whose sum is σ = 3249000. Its totient is φ = 2051712.

The previous prime is 2636063. The next prime is 2636077. The reversal of 2636065 is 5606362.

It can be written as a sum of positive squares in 4 ways, for example, as 1018081 + 1617984 = 1009^2 + 1272^2 .

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 2636065 - 2¹ = 2636063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2636063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6940 + ... + 7309.

It is an arithmetic number, because the mean of its divisors is an integer number (406125).

2^2636065 is an apocalyptic number.

It is an amenable number.

2636065 is a deficient number, since it is larger than the sum of its proper divisors (612935).

2636065 is a wasteful number, since it uses less digits than its factorization.

2636065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14291.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 2636065 is about 1623.5963168226. The cubic root of 2636065 is about 138.1397624865.

It can be divided in two parts, 263 and 6065, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 2636065 in words is "two million, six hundred thirty-six thousand, sixty-five".