2275409 has 2 divisors, whose sum is σ = 2275410. Its totient is φ = 2275408.

The previous prime is 2275393. The next prime is 2275423. The reversal of 2275409 is 9045722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1697809 + 577600 = 1303^2 + 760^2 .

It is a cyclic number.

It is not a de Polignac number, because 2275409 - 2⁴ = 2275393 is a prime.

It is a super-2 number, since 2×2275409² = 10354972234562, which contains 22 as substring.

It is a Chen prime.

It is a nialpdrome in base 14.

It is not a weakly prime, because it can be changed into another prime (2275439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1137704 + 1137705.

It is an arithmetic number, because the mean of its divisors is an integer number (1137705).

2^2275409 is an apocalyptic number.

It is an amenable number.

2275409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2275409 is an equidigital number, since it uses as much as digits as its factorization.

2275409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2275409 is about 1508.4458889864. The cubic root of 2275409 is about 131.5284868431.

The spelling of 2275409 in words is "two million, two hundred seventy-five thousand, four hundred nine".