10406181 has 4 divisors (see below), whose sum is σ = 13874912. Its totient is φ = 6937452.

The previous prime is 10406177. The next prime is 10406197. The reversal of 10406181 is 18160401.

10406181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 10406181 - 2² = 10406177 is a prime.

It is a super-2 number, since 2×10406181² = 216577206009522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10406171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1734361 + ... + 1734366.

It is an arithmetic number, because the mean of its divisors is an integer number (3468728).

Almost surely, 2^10406181 is an apocalyptic number.

It is an amenable number.

10406181 is a deficient number, since it is larger than the sum of its proper divisors (3468731).

10406181 is an equidigital number, since it uses as much as digits as its factorization.

10406181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3468730.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 10406181 is about 3225.8612803405. The cubic root of 10406181 is about 218.3218109932.

Adding to 10406181 its reverse (18160401), we get a palindrome (28566582).

The spelling of 10406181 in words is "ten million, four hundred six thousand, one hundred eighty-one".