4630181 has 2 divisors, whose sum is σ = 4630182. Its totient is φ = 4630180.

The previous prime is 4630177. The next prime is 4630187. The reversal of 4630181 is 1810364.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3648100 + 982081 = 1910^2 + 991^2 .

It is a cyclic number.

It is not a de Polignac number, because 4630181 - 2² = 4630177 is a prime.

It is a super-2 number, since 2×4630181² = 42877152185522, which contains 22 as substring.

It is a Chen prime.

It is a nialpdrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4630187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2315090 + 2315091.

It is an arithmetic number, because the mean of its divisors is an integer number (2315091).

Almost surely, 2^4630181 is an apocalyptic number.

It is an amenable number.

4630181 is a deficient number, since it is larger than the sum of its proper divisors (1).

4630181 is an equidigital number, since it uses as much as digits as its factorization.

4630181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 4630181 is about 2151.7855376408. The cubic root of 4630181 is about 166.6732828485.

The spelling of 4630181 in words is "four million, six hundred thirty thousand, one hundred eighty-one".