3238181 has 2 divisors, whose sum is σ = 3238182. Its totient is φ = 3238180.

The previous prime is 3238171. The next prime is 3238187. The reversal of 3238181 is 1818323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2220100 + 1018081 = 1490^2 + 1009^2 .

It is a cyclic number.

It is not a de Polignac number, because 3238181 - 2⁶ = 3238117 is a prime.

It is a super-2 number, since 2×3238181² = 20971632377522, which contains 22 as substring.

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 3238181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3238187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1619090 + 1619091.

It is an arithmetic number, because the mean of its divisors is an integer number (1619091).

Almost surely, 2^3238181 is an apocalyptic number.

It is an amenable number.

3238181 is a deficient number, since it is larger than the sum of its proper divisors (1).

3238181 is an equidigital number, since it uses as much as digits as its factorization.

3238181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 26.

The square root of 3238181 is about 1799.4946512841. The cubic root of 3238181 is about 147.9450276725.

The spelling of 3238181 in words is "three million, two hundred thirty-eight thousand, one hundred eighty-one".