2653209 has 16 divisors (see below), whose sum is σ = 4233600. Its totient is φ = 1632528.

The previous prime is 2653193. The next prime is 2653219. The reversal of 2653209 is 9023562.

2653209 is a `hidden beast` number, since 2 + 653 + 2 + 0 + 9 = 666.

It is not a de Polignac number, because 2653209 - 2⁴ = 2653193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 2⁹ + 6⁴ + 5⁵ + 3⁹ + 2²¹ + 0 + 9⁶ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2653219) 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, 3429 + ... + 4130.

It is an arithmetic number, because the mean of its divisors is an integer number (264600).

2^2653209 is an apocalyptic number.

It is an amenable number.

2653209 is a deficient number, since it is larger than the sum of its proper divisors (1580391).

2653209 is a wasteful number, since it uses less digits than its factorization.

2653209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7581 (or 7575 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 2653209 is about 1628.8673979180. The cubic root of 2653209 is about 138.4385857253.

It can be divided in two parts, 26 and 53209, that added together give a palindrome (53235).

The spelling of 2653209 in words is "two million, six hundred fifty-three thousand, two hundred nine".