10881449 has 2 divisors, whose sum is σ = 10881450. Its totient is φ = 10881448.

The previous prime is 10881439. The next prime is 10881473. The reversal of 10881449 is 94418801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9517225 + 1364224 = 3085^2 + 1168^2 .

It is an emirp because it is prime and its reverse (94418801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10881449 - 2¹² = 10877353 is a prime.

It is not a weakly prime, because it can be changed into another prime (10881419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5440724 + 5440725.

It is an arithmetic number, because the mean of its divisors is an integer number (5440725).

Almost surely, 2^10881449 is an apocalyptic number.

It is an amenable number.

10881449 is a deficient number, since it is larger than the sum of its proper divisors (1).

10881449 is an equidigital number, since it uses as much as digits as its factorization.

10881449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 10881449 is about 3298.7041395069. The cubic root of 10881449 is about 221.5961668002.

The spelling of 10881449 in words is "ten million, eight hundred eighty-one thousand, four hundred forty-nine".