11641249 has 2 divisors, whose sum is σ = 11641250. Its totient is φ = 11641248.

The previous prime is 11641247. The next prime is 11641313. The reversal of 11641249 is 94214611.

11641249 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11289600 + 351649 = 3360^2 + 593^2 .

It is a cyclic number.

It is not a de Polignac number, because 11641249 - 2¹ = 11641247 is a prime.

Together with 11641247, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11641247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5820624 + 5820625.

It is an arithmetic number, because the mean of its divisors is an integer number (5820625).

Almost surely, 2^11641249 is an apocalyptic number.

It is an amenable number.

11641249 is a deficient number, since it is larger than the sum of its proper divisors (1).

11641249 is an equidigital number, since it uses as much as digits as its factorization.

11641249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 28.

The square root of 11641249 is about 3411.9274611281. The cubic root of 11641249 is about 226.6382420623.

The spelling of 11641249 in words is "eleven million, six hundred forty-one thousand, two hundred forty-nine".