2253909 has 16 divisors (see below), whose sum is σ = 3553920. Its totient is φ = 1243200.

The previous prime is 2253899. The next prime is 2253919. The reversal of 2253909 is 9093522.

It is an interprime number because it is at equal distance from previous prime (2253899) and next prime (2253919).

It is not a de Polignac number, because 2253909 - 2⁸ = 2253653 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2253919) 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, 1242 + ... + 2459.

It is an arithmetic number, because the mean of its divisors is an integer number (222120).

2^2253909 is an apocalyptic number.

2253909 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2253909 is a deficient number, since it is larger than the sum of its proper divisors (1300011).

2253909 is a wasteful number, since it uses less digits than its factorization.

2253909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3740.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 2253909 is about 1501.3024345547. The cubic root of 2253909 is about 131.1129108300.

The spelling of 2253909 in words is "two million, two hundred fifty-three thousand, nine hundred nine".