10426861 has 2 divisors, whose sum is σ = 10426862. Its totient is φ = 10426860.

The previous prime is 10426783. The next prime is 10426873. The reversal of 10426861 is 16862401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6502500 + 3924361 = 2550^2 + 1981^2 .

It is an emirp because it is prime and its reverse (16862401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10426861 - 2⁷ = 10426733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10426961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5213430 + 5213431.

It is an arithmetic number, because the mean of its divisors is an integer number (5213431).

Almost surely, 2^10426861 is an apocalyptic number.

It is an amenable number.

10426861 is a deficient number, since it is larger than the sum of its proper divisors (1).

10426861 is an equidigital number, since it uses as much as digits as its factorization.

10426861 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 28.

The square root of 10426861 is about 3229.0650349598. The cubic root of 10426861 is about 218.4663375190.

It can be divided in two parts, 104268 and 61, that added together give a square (104329 = 323²).

The spelling of 10426861 in words is "ten million, four hundred twenty-six thousand, eight hundred sixty-one".