1674161 has 2 divisors, whose sum is σ = 1674162. Its totient is φ = 1674160.

The previous prime is 1674157. The next prime is 1674163. The reversal of 1674161 is 1614761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1488400 + 185761 = 1220^2 + 431^2 .

It is a cyclic number.

It is not a de Polignac number, because 1674161 - 2² = 1674157 is a prime.

Together with 1674163, it forms a pair of twin primes.

It is a Chen prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1674161.

It is not a weakly prime, because it can be changed into another prime (1674163) 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, 837080 + 837081.

It is an arithmetic number, because the mean of its divisors is an integer number (837081).

2^1674161 is an apocalyptic number.

It is an amenable number.

1674161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1674161 is an equidigital number, since it uses as much as digits as its factorization.

1674161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 26.

The square root of 1674161 is about 1293.8937359768. The cubic root of 1674161 is about 118.7405547428.

It can be divided in two parts, 16741 and 61, that multiplied together give a palindrome (1021201).

The spelling of 1674161 in words is "one million, six hundred seventy-four thousand, one hundred sixty-one".