67238141 has 2 divisors, whose sum is σ = 67238142. Its totient is φ = 67238140.

The previous prime is 67238113. The next prime is 67238147. The reversal of 67238141 is 14183276.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57441241 + 9796900 = 7579^2 + 3130^2 .

It is a cyclic number.

It is not a de Polignac number, because 67238141 - 2¹⁰ = 67237117 is a prime.

It is a Sophie Germain prime.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 67238098 and 67238107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67238147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33619070 + 33619071.

It is an arithmetic number, because the mean of its divisors is an integer number (33619071).

Almost surely, 2^67238141 is an apocalyptic number.

It is an amenable number.

67238141 is a deficient number, since it is larger than the sum of its proper divisors (1).

67238141 is an equidigital number, since it uses as much as digits as its factorization.

67238141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 32.

The square root of 67238141 is about 8199.8866455580. The cubic root of 67238141 is about 406.6354455860.

The spelling of 67238141 in words is "sixty-seven million, two hundred thirty-eight thousand, one hundred forty-one".