4512161 has 2 divisors, whose sum is σ = 4512162. Its totient is φ = 4512160.

The previous prime is 4512133. The next prime is 4512199. The reversal of 4512161 is 1612154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4326400 + 185761 = 2080^2 + 431^2 .

It is a cyclic number.

It is not a de Polignac number, because 4512161 - 2⁶ = 4512097 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4512061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2256080 + 2256081.

It is an arithmetic number, because the mean of its divisors is an integer number (2256081).

Almost surely, 2^4512161 is an apocalyptic number.

It is an amenable number.

4512161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4512161 is an equidigital number, since it uses as much as digits as its factorization.

4512161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 240, while the sum is 20.

The square root of 4512161 is about 2124.1847848057. The cubic root of 4512161 is about 165.2449499244.

The spelling of 4512161 in words is "four million, five hundred twelve thousand, one hundred sixty-one".