46380181 has 2 divisors, whose sum is σ = 46380182. Its totient is φ = 46380180.

The previous prime is 46380161. The next prime is 46380223. The reversal of 46380181 is 18108364.

46380181 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., 40576900 + 5803281 = 6370^2 + 2409^2 .

It is a cyclic number.

It is not a de Polignac number, because 46380181 - 2⁵ = 46380149 is a prime.

It is a super-2 number, since 2×46380181² = 4302242379185522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46380161) 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, 23190090 + 23190091.

It is an arithmetic number, because the mean of its divisors is an integer number (23190091).

Almost surely, 2^46380181 is an apocalyptic number.

It is an amenable number.

46380181 is a deficient number, since it is larger than the sum of its proper divisors (1).

46380181 is an equidigital number, since it uses as much as digits as its factorization.

46380181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 46380181 is about 6810.2996263013. The cubic root of 46380181 is about 359.2891864268.

The spelling of 46380181 in words is "forty-six million, three hundred eighty thousand, one hundred eighty-one".