704161 has 2 divisors, whose sum is σ = 704162. Its totient is φ = 704160.

The previous prime is 704153. The next prime is 704177. The reversal of 704161 is 161407.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 518400 + 185761 = 720^2 + 431^2 .

It is an emirp because it is prime and its reverse (161407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 704161 - 2³ = 704153 is a prime.

It is a Chen prime.

It is a nialpdrome in base 15.

It is not a weakly prime, because it can be changed into another prime (704101) 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, 352080 + 352081.

It is an arithmetic number, because the mean of its divisors is an integer number (352081).

2⁷⁰⁴¹⁶¹ is an apocalyptic number.

It is an amenable number.

704161 is a deficient number, since it is larger than the sum of its proper divisors (1).

704161 is an equidigital number, since it uses as much as digits as its factorization.

704161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 704161 is about 839.1430152245. The cubic root of 704161 is about 88.9659845603.

Adding to 704161 its reverse (161407), we get a palindrome (865568).

The spelling of 704161 in words is "seven hundred four thousand, one hundred sixty-one".