46330181 has 2 divisors, whose sum is σ = 46330182. Its totient is φ = 46330180.

The previous prime is 46330177. The next prime is 46330187. The reversal of 46330181 is 18103364.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24661156 + 21669025 = 4966^2 + 4655^2 .

It is a cyclic number.

It is not a de Polignac number, because 46330181 - 2² = 46330177 is a prime.

It is a super-2 number, since 2×46330181² = 4292971342985522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 46330181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46330187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23165090 + 23165091.

It is an arithmetic number, because the mean of its divisors is an integer number (23165091).

Almost surely, 2^46330181 is an apocalyptic number.

It is an amenable number.

46330181 is a deficient number, since it is larger than the sum of its proper divisors (1).

46330181 is an equidigital number, since it uses as much as digits as its factorization.

46330181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 46330181 is about 6806.6277259741. The cubic root of 46330181 is about 359.1600298322.

The spelling of 46330181 in words is "forty-six million, three hundred thirty thousand, one hundred eighty-one".