11452409 has 4 divisors (see below), whose sum is σ = 11480820. Its totient is φ = 11424000.

The previous prime is 11452403. The next prime is 11452433. The reversal of 11452409 is 90425411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9320809 + 2131600 = 3053^2 + 1460^2 .

It is a cyclic number.

It is not a de Polignac number, because 11452409 - 2⁸ = 11452153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11452403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13592 + ... + 14409.

It is an arithmetic number, because the mean of its divisors is an integer number (2870205).

Almost surely, 2^11452409 is an apocalyptic number.

It is an amenable number.

11452409 is a deficient number, since it is larger than the sum of its proper divisors (28411).

11452409 is an equidigital number, since it uses as much as digits as its factorization.

11452409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28410.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 11452409 is about 3384.1408067632. The cubic root of 11452409 is about 225.4060749147.

The spelling of 11452409 in words is "eleven million, four hundred fifty-two thousand, four hundred nine".