338062181 has 2 divisors, whose sum is σ = 338062182. Its totient is φ = 338062180.

The previous prime is 338062141. The next prime is 338062217. The reversal of 338062181 is 181260833.

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., 172528225 + 165533956 = 13135^2 + 12866^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-338062181 is a prime.

It is a super-2 number, since 2×338062181² = 228572076444953522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (338062121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169031090 + 169031091.

It is an arithmetic number, because the mean of its divisors is an integer number (169031091).

Almost surely, 2^338062181 is an apocalyptic number.

It is an amenable number.

338062181 is a deficient number, since it is larger than the sum of its proper divisors (1).

338062181 is an equidigital number, since it uses as much as digits as its factorization.

338062181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 338062181 is about 18386.4673333406. The cubic root of 338062181 is about 696.6246903070.

The spelling of 338062181 in words is "three hundred thirty-eight million, sixty-two thousand, one hundred eighty-one".