2253609 has 32 divisors (see below), whose sum is σ = 3686400. Its totient is φ = 1354320.

The previous prime is 2253599. The next prime is 2253617. The reversal of 2253609 is 9063522.

2253609 is a `hidden beast` number, since 2 + 2 + 53 + 609 = 666.

It is not a de Polignac number, because 2253609 - 2⁷ = 2253481 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 2³ + 2⁷ + 5⁹ + 3⁹ + 6⁷ + 0 + 9³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2253649) 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, 11704 + ... + 11894.

It is an arithmetic number, because the mean of its divisors is an integer number (115200).

2^2253609 is an apocalyptic number.

It is an amenable number.

2253609 is a deficient number, since it is larger than the sum of its proper divisors (1432791).

2253609 is a wasteful number, since it uses less digits than its factorization.

2253609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 236 counting only the distinct ones).

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

The square root of 2253609 is about 1501.2025179835. The cubic root of 2253609 is about 131.1070934377.

The spelling of 2253609 in words is "two million, two hundred fifty-three thousand, six hundred nine".