4511161 has 2 divisors, whose sum is σ = 4511162. Its totient is φ = 4511160.

The previous prime is 4511149. The next prime is 4511191. The reversal of 4511161 is 1611154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4280761 + 230400 = 2069^2 + 480^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4511161 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4511141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2255580 + 2255581.

It is an arithmetic number, because the mean of its divisors is an integer number (2255581).

Almost surely, 2^4511161 is an apocalyptic number.

It is an amenable number.

4511161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4511161 is an equidigital number, since it uses as much as digits as its factorization.

4511161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120, while the sum is 19.

The square root of 4511161 is about 2123.9493873442. The cubic root of 4511161 is about 165.2327416455.

The spelling of 4511161 in words is "four million, five hundred eleven thousand, one hundred sixty-one".