804161573 has 2 divisors, whose sum is σ = 804161574. Its totient is φ = 804161572.

The previous prime is 804161551. The next prime is 804161621. The reversal of 804161573 is 375161408.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 734572609 + 69588964 = 27103^2 + 8342^2 .

It is a cyclic number.

It is not a de Polignac number, because 804161573 - 2⁸ = 804161317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (804161773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402080786 + 402080787.

It is an arithmetic number, because the mean of its divisors is an integer number (402080787).

Almost surely, 2^804161573 is an apocalyptic number.

It is an amenable number.

804161573 is a deficient number, since it is larger than the sum of its proper divisors (1).

804161573 is an equidigital number, since it uses as much as digits as its factorization.

804161573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 804161573 is about 28357.7427345690. The cubic root of 804161573 is about 929.9246761363.

The spelling of 804161573 in words is "eight hundred four million, one hundred sixty-one thousand, five hundred seventy-three".