2650065 has 16 divisors (see below), whose sum is σ = 4625856. Its totient is φ = 1284800.

The previous prime is 2650061. The next prime is 2650073. The reversal of 2650065 is 5600562.

It is not a de Polignac number, because 2650065 - 2² = 2650061 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

2650065 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2650061) 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, 7866 + ... + 8195.

It is an arithmetic number, because the mean of its divisors is an integer number (289116).

2^2650065 is an apocalyptic number.

It is an amenable number.

2650065 is a deficient number, since it is larger than the sum of its proper divisors (1975791).

2650065 is a wasteful number, since it uses less digits than its factorization.

2650065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16080.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2650065 is about 1627.9020240788. The cubic root of 2650065 is about 138.3838817865.

It can be divided in two parts, 26500 and 65, that added together give a triangular number (26565 = T₂₃₀).

The spelling of 2650065 in words is "two million, six hundred fifty thousand, sixty-five".