11534909 has 2 divisors, whose sum is σ = 11534910. Its totient is φ = 11534908.

The previous prime is 11534903. The next prime is 11534923. The reversal of 11534909 is 90943511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6708100 + 4826809 = 2590^2 + 2197^2 .

It is a cyclic number.

It is not a de Polignac number, because 11534909 - 2⁴ = 11534893 is a prime.

It is a Chen prime.

It is equal to p₇₅₉₄₃₄ and since 11534909 and 759434 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11534903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5767454 + 5767455.

It is an arithmetic number, because the mean of its divisors is an integer number (5767455).

Almost surely, 2^11534909 is an apocalyptic number.

It is an amenable number.

11534909 is a deficient number, since it is larger than the sum of its proper divisors (1).

11534909 is an equidigital number, since it uses as much as digits as its factorization.

11534909 is an odious number, because the sum of its binary digits is odd.

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

The square root of 11534909 is about 3396.3081426749. The cubic root of 11534909 is about 225.9460348348.

The spelling of 11534909 in words is "eleven million, five hundred thirty-four thousand, nine hundred nine".