48136181 has 2 divisors, whose sum is σ = 48136182. Its totient is φ = 48136180.

The previous prime is 48136159. The next prime is 48136189. The reversal of 48136181 is 18163184.

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., 24700900 + 23435281 = 4970^2 + 4841^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48136181 is a prime.

It is a super-2 number, since 2×48136181² = 4634183842529522, 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 (48136189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24068090 + 24068091.

It is an arithmetic number, because the mean of its divisors is an integer number (24068091).

Almost surely, 2^48136181 is an apocalyptic number.

It is an amenable number.

48136181 is a deficient number, since it is larger than the sum of its proper divisors (1).

48136181 is an equidigital number, since it uses as much as digits as its factorization.

48136181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 32.

The square root of 48136181 is about 6938.0242864954. The cubic root of 48136181 is about 363.7674847427.

The spelling of 48136181 in words is "forty-eight million, one hundred thirty-six thousand, one hundred eighty-one".