11354909 has 4 divisors (see below), whose sum is σ = 11631900. Its totient is φ = 11077920.

The previous prime is 11354899. The next prime is 11354911. The reversal of 11354909 is 90945311.

11354909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 319225 + 11035684 = 565^2 + 3322^2 .

It is a cyclic number.

It is not a de Polignac number, because 11354909 - 2¹² = 11350813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11354969) 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, 138434 + ... + 138515.

It is an arithmetic number, because the mean of its divisors is an integer number (2907975).

Almost surely, 2^11354909 is an apocalyptic number.

It is an amenable number.

11354909 is a deficient number, since it is larger than the sum of its proper divisors (276991).

11354909 is an equidigital number, since it uses as much as digits as its factorization.

11354909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276990.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 11354909 is about 3369.7045864586. The cubic root of 11354909 is about 224.7645866992.

The spelling of 11354909 in words is "eleven million, three hundred fifty-four thousand, nine hundred nine".