2260309 has 2 divisors, whose sum is σ = 2260310. Its totient is φ = 2260308.

The previous prime is 2260301. The next prime is 2260327. The reversal of 2260309 is 9030622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1697809 + 562500 = 1303^2 + 750^2 .

It is a cyclic number.

It is not a de Polignac number, because 2260309 - 2³ = 2260301 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2260309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2260301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130154 + 1130155.

It is an arithmetic number, because the mean of its divisors is an integer number (1130155).

2^2260309 is an apocalyptic number.

It is an amenable number.

2260309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2260309 is an equidigital number, since it uses as much as digits as its factorization.

2260309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 2260309 is about 1503.4324061959. The cubic root of 2260309 is about 131.2368924174.

The spelling of 2260309 in words is "two million, two hundred sixty thousand, three hundred nine".