46897181 has 2 divisors, whose sum is σ = 46897182. Its totient is φ = 46897180.

The previous prime is 46897159. The next prime is 46897189. The reversal of 46897181 is 18179864.

46897181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37100281 + 9796900 = 6091^2 + 3130^2 .

It is a cyclic number.

It is not a de Polignac number, because 46897181 - 2¹⁴ = 46880797 is a prime.

It is a super-2 number, since 2×46897181² = 4398691171493522, 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 (46897189) 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, 23448590 + 23448591.

It is an arithmetic number, because the mean of its divisors is an integer number (23448591).

Almost surely, 2^46897181 is an apocalyptic number.

It is an amenable number.

46897181 is a deficient number, since it is larger than the sum of its proper divisors (1).

46897181 is an equidigital number, since it uses as much as digits as its factorization.

46897181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 44.

The square root of 46897181 is about 6848.1516484377. The cubic root of 46897181 is about 360.6192556757.

The spelling of 46897181 in words is "forty-six million, eight hundred ninety-seven thousand, one hundred eighty-one".