46186181 has 2 divisors, whose sum is σ = 46186182. Its totient is φ = 46186180.

The previous prime is 46186163. The next prime is 46186201. The reversal of 46186181 is 18168164.

It is a happy number.

46186181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38950081 + 7236100 = 6241^2 + 2690^2 .

It is a cyclic number.

It is not a de Polignac number, because 46186181 - 2¹⁴ = 46169797 is a prime.

It is a super-2 number, since 2×46186181² = 4266326630729522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46186121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23093090 + 23093091.

It is an arithmetic number, because the mean of its divisors is an integer number (23093091).

Almost surely, 2^46186181 is an apocalyptic number.

It is an amenable number.

46186181 is a deficient number, since it is larger than the sum of its proper divisors (1).

46186181 is an equidigital number, since it uses as much as digits as its factorization.

46186181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 35.

The square root of 46186181 is about 6796.0415684426. The cubic root of 46186181 is about 358.7875388772.

The spelling of 46186181 in words is "forty-six million, one hundred eighty-six thousand, one hundred eighty-one".