10490881 has 2 divisors, whose sum is σ = 10490882. Its totient is φ = 10490880.

The previous prime is 10490867. The next prime is 10490891. The reversal of 10490881 is 18809401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10342656 + 148225 = 3216^2 + 385^2 .

It is a cyclic number.

It is not a de Polignac number, because 10490881 - 2¹¹ = 10488833 is a prime.

It is a super-2 number, since 2×10490881² = 220117168312322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10490801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5245440 + 5245441.

It is an arithmetic number, because the mean of its divisors is an integer number (5245441).

Almost surely, 2^10490881 is an apocalyptic number.

10490881 is the 2049-th centered pentagonal number.

It is an amenable number.

10490881 is a deficient number, since it is larger than the sum of its proper divisors (1).

10490881 is an equidigital number, since it uses as much as digits as its factorization.

10490881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 10490881 is about 3238.9629513164. The cubic root of 10490881 is about 218.9125468325.

The spelling of 10490881 in words is "ten million, four hundred ninety thousand, eight hundred eighty-one".