441012161 has 2 divisors, whose sum is σ = 441012162. Its totient is φ = 441012160.

The previous prime is 441012151. The next prime is 441012191. The reversal of 441012161 is 161210144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 401761936 + 39250225 = 20044^2 + 6265^2 .

It is a cyclic number.

It is not a de Polignac number, because 441012161 - 2¹⁴ = 440995777 is a prime.

It is a super-2 number, since 2×441012161² = 388983452299779842, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (441012101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220506080 + 220506081.

It is an arithmetic number, because the mean of its divisors is an integer number (220506081).

Almost surely, 2^441012161 is an apocalyptic number.

It is an amenable number.

441012161 is a deficient number, since it is larger than the sum of its proper divisors (1).

441012161 is an equidigital number, since it uses as much as digits as its factorization.

441012161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 441012161 is about 21000.2895456229. The cubic root of 441012161 is about 761.1732576688.

The spelling of 441012161 in words is "four hundred forty-one million, twelve thousand, one hundred sixty-one".