2252309 has 2 divisors, whose sum is σ = 2252310. Its totient is φ = 2252308.

The previous prime is 2252273. The next prime is 2252311. The reversal of 2252309 is 9032522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1918225 + 334084 = 1385^2 + 578^2 .

It is a cyclic number.

It is not a de Polignac number, because 2252309 - 2¹⁶ = 2186773 is a prime.

Together with 2252311, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2252359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1126154 + 1126155.

It is an arithmetic number, because the mean of its divisors is an integer number (1126155).

2^2252309 is an apocalyptic number.

It is an amenable number.

2252309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2252309 is an equidigital number, since it uses as much as digits as its factorization.

2252309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2252309 is about 1500.7694693057. The cubic root of 2252309 is about 131.0818787702.

The spelling of 2252309 in words is "two million, two hundred fifty-two thousand, three hundred nine".