2275309 has 2 divisors, whose sum is σ = 2275310. Its totient is φ = 2275308.

The previous prime is 2275303. The next prime is 2275313. The reversal of 2275309 is 9035722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1447209 + 828100 = 1203^2 + 910^2 .

It is a cyclic number.

It is not a de Polignac number, because 2275309 - 2¹³ = 2267117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2275303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1137654 + 1137655.

It is an arithmetic number, because the mean of its divisors is an integer number (1137655).

2^2275309 is an apocalyptic number.

It is an amenable number.

2275309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2275309 is an equidigital number, since it uses as much as digits as its factorization.

2275309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 2275309 is about 1508.4127419244. The cubic root of 2275309 is about 131.5265600040.

The spelling of 2275309 in words is "two million, two hundred seventy-five thousand, three hundred nine".