10490861 has 2 divisors, whose sum is σ = 10490862. Its totient is φ = 10490860.

The previous prime is 10490833. The next prime is 10490863. The reversal of 10490861 is 16809401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10118761 + 372100 = 3181^2 + 610^2 .

It is a cyclic number.

It is not a de Polignac number, because 10490861 - 2¹⁰ = 10489837 is a prime.

It is a super-2 number, since 2×10490861² = 220116329042642, which contains 22 as substring.

Together with 10490863, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10490863) 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, 5245430 + 5245431.

It is an arithmetic number, because the mean of its divisors is an integer number (5245431).

Almost surely, 2^10490861 is an apocalyptic number.

It is an amenable number.

10490861 is a deficient number, since it is larger than the sum of its proper divisors (1).

10490861 is an equidigital number, since it uses as much as digits as its factorization.

10490861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 10490861 is about 3238.9598639069. The cubic root of 10490861 is about 218.9124077195.

The spelling of 10490861 in words is "ten million, four hundred ninety thousand, eight hundred sixty-one".