804641151 has 4 divisors (see below), whose sum is σ = 1072854872. Its totient is φ = 536427432.

The previous prime is 804641143. The next prime is 804641153. The reversal of 804641151 is 151146408.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 804641151 - 2³ = 804641143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804641153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134106856 + ... + 134106861.

It is an arithmetic number, because the mean of its divisors is an integer number (268213718).

Almost surely, 2^804641151 is an apocalyptic number.

804641151 is a deficient number, since it is larger than the sum of its proper divisors (268213721).

804641151 is a wasteful number, since it uses less digits than its factorization.

804641151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268213720.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 804641151 is about 28366.1973306258. The cubic root of 804641151 is about 930.1094991893.

Adding to 804641151 its reverse (151146408), we get a palindrome (955787559).

The spelling of 804641151 in words is "eight hundred four million, six hundred forty-one thousand, one hundred fifty-one".