3630161 has 2 divisors, whose sum is σ = 3630162. Its totient is φ = 3630160.

The previous prime is 3630157. The next prime is 3630167. The reversal of 3630161 is 1610363.

3630161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2739025 + 891136 = 1655^2 + 944^2 .

It is a cyclic number.

It is not a de Polignac number, because 3630161 - 2² = 3630157 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (3630167) 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, 1815080 + 1815081.

It is an arithmetic number, because the mean of its divisors is an integer number (1815081).

Almost surely, 2^3630161 is an apocalyptic number.

It is an amenable number.

3630161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3630161 is an equidigital number, since it uses as much as digits as its factorization.

3630161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 3630161 is about 1905.2981393997. The cubic root of 3630161 is about 153.6887089078.

The spelling of 3630161 in words is "three million, six hundred thirty thousand, one hundred sixty-one".