2252909 has 4 divisors (see below), whose sum is σ = 2307900. Its totient is φ = 2197920.

The previous prime is 2252897. The next prime is 2252911. The reversal of 2252909 is 9092522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 354025 + 1898884 = 595^2 + 1378^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2252909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2252009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27434 + ... + 27515.

It is an arithmetic number, because the mean of its divisors is an integer number (576975).

2^2252909 is an apocalyptic number.

It is an amenable number.

2252909 is a deficient number, since it is larger than the sum of its proper divisors (54991).

2252909 is an equidigital number, since it uses as much as digits as its factorization.

2252909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54990.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 2252909 is about 1500.9693534513. The cubic root of 2252909 is about 131.0935175143.

The spelling of 2252909 in words is "two million, two hundred fifty-two thousand, nine hundred nine".