11461649 has 2 divisors, whose sum is σ = 11461650. Its totient is φ = 11461648.

The previous prime is 11461631. The next prime is 11461651. The reversal of 11461649 is 94616411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11424400 + 37249 = 3380^2 + 193^2 .

It is a cyclic number.

It is not a de Polignac number, because 11461649 - 2¹² = 11457553 is a prime.

Together with 11461651, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11461609) 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 as a sum of consecutive naturals, namely, 5730824 + 5730825.

It is an arithmetic number, because the mean of its divisors is an integer number (5730825).

Almost surely, 2^11461649 is an apocalyptic number.

It is an amenable number.

11461649 is a deficient number, since it is larger than the sum of its proper divisors (1).

11461649 is an equidigital number, since it uses as much as digits as its factorization.

11461649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 32.

The square root of 11461649 is about 3385.5057229312. The cubic root of 11461649 is about 225.4666791145.

The spelling of 11461649 in words is "eleven million, four hundred sixty-one thousand, six hundred forty-nine".