60040181 has 2 divisors, whose sum is σ = 60040182. Its totient is φ = 60040180.

The previous prime is 60040163. The next prime is 60040193. The reversal of 60040181 is 18104006.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56175025 + 3865156 = 7495^2 + 1966^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60040181 is a prime.

It is a super-2 number, since 2×60040181² = 7209646669025522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60040081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30020090 + 30020091.

It is an arithmetic number, because the mean of its divisors is an integer number (30020091).

Almost surely, 2^60040181 is an apocalyptic number.

It is an amenable number.

60040181 is a deficient number, since it is larger than the sum of its proper divisors (1).

60040181 is an equidigital number, since it uses as much as digits as its factorization.

60040181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 60040181 is about 7748.5599307226. The cubic root of 60040181 is about 391.5741353365.

Adding to 60040181 its reverse (18104006), we get a palindrome (78144187).

The spelling of 60040181 in words is "sixty million, forty thousand, one hundred eighty-one".