11461609 has 2 divisors, whose sum is σ = 11461610. Its totient is φ = 11461608.

The previous prime is 11461603. The next prime is 11461631. The reversal of 11461609 is 90616411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11323225 + 138384 = 3365^2 + 372^2 .

It is a cyclic number.

It is not a de Polignac number, because 11461609 - 2⁵ = 11461577 is a prime.

It is not a weakly prime, because it can be changed into another prime (11461603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5730804 + 5730805.

It is an arithmetic number, because the mean of its divisors is an integer number (5730805).

Almost surely, 2^11461609 is an apocalyptic number.

It is an amenable number.

11461609 is a deficient number, since it is larger than the sum of its proper divisors (1).

11461609 is an equidigital number, since it uses as much as digits as its factorization.

11461609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 11461609 is about 3385.4998153892. The cubic root of 11461609 is about 225.4664168289.

The spelling of 11461609 in words is "eleven million, four hundred sixty-one thousand, six hundred nine".