10813861 has 2 divisors, whose sum is σ = 10813862. Its totient is φ = 10813860.

The previous prime is 10813813. The next prime is 10813877. The reversal of 10813861 is 16831801.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8352100 + 2461761 = 2890^2 + 1569^2 .

It is a cyclic number.

It is not a de Polignac number, because 10813861 - 2⁹ = 10813349 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10813801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5406930 + 5406931.

It is an arithmetic number, because the mean of its divisors is an integer number (5406931).

Almost surely, 2^10813861 is an apocalyptic number.

It is an amenable number.

10813861 is a deficient number, since it is larger than the sum of its proper divisors (1).

10813861 is an equidigital number, since it uses as much as digits as its factorization.

10813861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 10813861 is about 3288.4435528073. The cubic root of 10813861 is about 221.1364131229.

The spelling of 10813861 in words is "ten million, eight hundred thirteen thousand, eight hundred sixty-one".