2255309 has 8 divisors (see below), whose sum is σ = 2626560. Its totient is φ = 1896336.

The previous prime is 2255303. The next prime is 2255321. The reversal of 2255309 is 9035522.

2255309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2255309 - 2¹² = 2251213 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2669 + ... + 3410.

It is an arithmetic number, because the mean of its divisors is an integer number (328320).

2^2255309 is an apocalyptic number.

It is an amenable number.

2255309 is a deficient number, since it is larger than the sum of its proper divisors (371251).

2255309 is an equidigital number, since it uses as much as digits as its factorization.

2255309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6139.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 2255309 is about 1501.7686239897. The cubic root of 2255309 is about 131.1400518375.

The spelling of 2255309 in words is "two million, two hundred fifty-five thousand, three hundred nine".