4806181 has 2 divisors, whose sum is σ = 4806182. Its totient is φ = 4806180.

The previous prime is 4806167. The next prime is 4806187. The reversal of 4806181 is 1816084.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2775556 + 2030625 = 1666^2 + 1425^2 .

It is a cyclic number.

It is not a de Polignac number, because 4806181 - 2¹¹ = 4804133 is a prime.

It is a super-3 number, since 3×4806181³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4806187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2403090 + 2403091.

It is an arithmetic number, because the mean of its divisors is an integer number (2403091).

Almost surely, 2^4806181 is an apocalyptic number.

It is an amenable number.

4806181 is a deficient number, since it is larger than the sum of its proper divisors (1).

4806181 is an equidigital number, since it uses as much as digits as its factorization.

4806181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 4806181 is about 2192.3003900013. The cubic root of 4806181 is about 168.7589083546.

The spelling of 4806181 in words is "four million, eight hundred six thousand, one hundred eighty-one".