6240181 has 2 divisors, whose sum is σ = 6240182. Its totient is φ = 6240180.

The previous prime is 6240163. The next prime is 6240187. The reversal of 6240181 is 1810426.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3837681 + 2402500 = 1959^2 + 1550^2 .

It is a cyclic number.

It is not a de Polignac number, because 6240181 - 2⁵ = 6240149 is a prime.

It is a super-2 number, since 2×6240181² = 77879717825522, which contains 22 as substring.

It is an Ulam number.

6240181 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6240187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3120090 + 3120091.

It is an arithmetic number, because the mean of its divisors is an integer number (3120091).

Almost surely, 2^6240181 is an apocalyptic number.

It is an amenable number.

6240181 is a deficient number, since it is larger than the sum of its proper divisors (1).

6240181 is an equidigital number, since it uses as much as digits as its factorization.

6240181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 6240181 is about 2498.0354280914. The cubic root of 6240181 is about 184.1050616915.

The spelling of 6240181 in words is "six million, two hundred forty thousand, one hundred eighty-one".