5632181 has 2 divisors, whose sum is σ = 5632182. Its totient is φ = 5632180.

The previous prime is 5632163. The next prime is 5632201. The reversal of 5632181 is 1812365.

5632181 is digitally balanced in base 3, 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 + 34225 = 2366^2 + 185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5632181 is a prime.

It is a super-2 number, since 2×5632181² = 63442925633522, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 5632181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5632981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2816090 + 2816091.

It is an arithmetic number, because the mean of its divisors is an integer number (2816091).

Almost surely, 2^5632181 is an apocalyptic number.

It is an amenable number.

5632181 is a deficient number, since it is larger than the sum of its proper divisors (1).

5632181 is an equidigital number, since it uses as much as digits as its factorization.

5632181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 26.

The square root of 5632181 is about 2373.2216499939. The cubic root of 5632181 is about 177.9203131929.

It can be divided in two parts, 563 and 2181, that added together give a cube (2744 = 14³).

The spelling of 5632181 in words is "five million, six hundred thirty-two thousand, one hundred eighty-one".