4818161 has 2 divisors, whose sum is σ = 4818162. Its totient is φ = 4818160.

The previous prime is 4818137. The next prime is 4818167. The reversal of 4818161 is 1618184.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4494400 + 323761 = 2120^2 + 569^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4818161 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4818167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2409080 + 2409081.

It is an arithmetic number, because the mean of its divisors is an integer number (2409081).

Almost surely, 2^4818161 is an apocalyptic number.

It is an amenable number.

4818161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4818161 is an equidigital number, since it uses as much as digits as its factorization.

4818161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 29.

The square root of 4818161 is about 2195.0309792802. The cubic root of 4818161 is about 168.8990094896.

The spelling of 4818161 in words is "four million, eight hundred eighteen thousand, one hundred sixty-one".