804453161 has 2 divisors, whose sum is σ = 804453162. Its totient is φ = 804453160.

The previous prime is 804453113. The next prime is 804453163. The reversal of 804453161 is 161354408.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 691690000 + 112763161 = 26300^2 + 10619^2 .

It is a cyclic number.

It is not a de Polignac number, because 804453161 - 2¹⁴ = 804436777 is a prime.

It is a Sophie Germain prime.

Together with 804453163, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (804453163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402226580 + 402226581.

It is an arithmetic number, because the mean of its divisors is an integer number (402226581).

Almost surely, 2^804453161 is an apocalyptic number.

It is an amenable number.

804453161 is a deficient number, since it is larger than the sum of its proper divisors (1).

804453161 is an equidigital number, since it uses as much as digits as its factorization.

804453161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 804453161 is about 28362.8835099677. The cubic root of 804453161 is about 930.0370590697.

The spelling of 804453161 in words is "eight hundred four million, four hundred fifty-three thousand, one hundred sixty-one".