11352609 has 8 divisors (see below), whose sum is σ = 16818720. Its totient is φ = 7568388.

The previous prime is 11352587. The next prime is 11352611. The reversal of 11352609 is 90625311.

11352609 is a `hidden beast` number, since 1 + 1 + 3 + 52 + 609 = 666.

It is not a de Polignac number, because 11352609 - 2¹¹ = 11350561 is a prime.

It is a super-2 number, since 2×11352609² = 257763462213762, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 420467 = 11352609 / (1 + 1 + 3 + 5 + 2 + 6 + 0 + 9).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11352619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210207 + ... + 210260.

It is an arithmetic number, because the mean of its divisors is an integer number (2102340).

Almost surely, 2^11352609 is an apocalyptic number.

It is an amenable number.

11352609 is a deficient number, since it is larger than the sum of its proper divisors (5466111).

11352609 is an equidigital number, since it uses as much as digits as its factorization.

11352609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420476 (or 420470 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 11352609 is about 3369.3632929680. The cubic root of 11352609 is about 224.7494099018.

The spelling of 11352609 in words is "eleven million, three hundred fifty-two thousand, six hundred nine".