2253409 has 2 divisors, whose sum is σ = 2253410. Its totient is φ = 2253408.

The previous prime is 2253397. The next prime is 2253439. The reversal of 2253409 is 9043522.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2030625 + 222784 = 1425^2 + 472^2 .

It is a cyclic number.

It is not a de Polignac number, because 2253409 - 2⁷ = 2253281 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 2²¹ + 5⁷ + 3⁷ + 4⁷ + 0 + 9⁵ .

It is not a weakly prime, because it can be changed into another prime (2253439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1126704 + 1126705.

It is an arithmetic number, because the mean of its divisors is an integer number (1126705).

2^2253409 is an apocalyptic number.

It is an amenable number.

2253409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2253409 is an equidigital number, since it uses as much as digits as its factorization.

2253409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2253409 is about 1501.1359032413. The cubic root of 2253409 is about 131.1032148893.

It can be divided in two parts, 2253 and 409, that added together give a palindrome (2662).

The spelling of 2253409 in words is "two million, two hundred fifty-three thousand, four hundred nine".