10819181 has 2 divisors, whose sum is σ = 10819182. Its totient is φ = 10819180.

The previous prime is 10819169. The next prime is 10819199. The reversal of 10819181 is 18191801.

10819181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5597956 + 5221225 = 2366^2 + 2285^2 .

It is an emirp because it is prime and its reverse (18191801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10819181 - 2¹⁴ = 10802797 is a prime.

It is a super-2 number, since 2×10819181² = 234109355021522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10812181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5409590 + 5409591.

It is an arithmetic number, because the mean of its divisors is an integer number (5409591).

Almost surely, 2^10819181 is an apocalyptic number.

It is an amenable number.

10819181 is a deficient number, since it is larger than the sum of its proper divisors (1).

10819181 is an equidigital number, since it uses as much as digits as its factorization.

10819181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 29.

The square root of 10819181 is about 3289.2523466587. The cubic root of 10819181 is about 221.1726706892.

The spelling of 10819181 in words is "ten million, eight hundred nineteen thousand, one hundred eighty-one".