1814161 has 2 divisors, whose sum is σ = 1814162. Its totient is φ = 1814160.

The previous prime is 1814143. The next prime is 1814167. The reversal of 1814161 is 1614181.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1123600 + 690561 = 1060^2 + 831^2 .

It is a cyclic number.

It is not a de Polignac number, because 1814161 - 2⁵ = 1814129 is a prime.

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

1814161 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1814167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 907080 + 907081.

It is an arithmetic number, because the mean of its divisors is an integer number (907081).

2^1814161 is an apocalyptic number.

It is an amenable number.

1814161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1814161 is an equidigital number, since it uses as much as digits as its factorization.

1814161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 22.

The square root of 1814161 is about 1346.9079404325. The cubic root of 1814161 is about 121.9622072314.

The spelling of 1814161 in words is "one million, eight hundred fourteen thousand, one hundred sixty-one".