804130251 has 8 divisors (see below), whose sum is σ = 1073385984. Its totient is φ = 535480680.

The previous prime is 804130247. The next prime is 804130273. The reversal of 804130251 is 152031408.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 804130251 - 2² = 804130247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (804130231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148435 + ... + 153756.

It is an arithmetic number, because the mean of its divisors is an integer number (134173248).

Almost surely, 2^804130251 is an apocalyptic number.

804130251 is a deficient number, since it is larger than the sum of its proper divisors (269255733).

804130251 is a wasteful number, since it uses less digits than its factorization.

804130251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303081.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 804130251 is about 28357.1904637960. The cubic root of 804130251 is about 929.9126024934.

Adding to 804130251 its reverse (152031408), we get a palindrome (956161659).

The spelling of 804130251 in words is "eight hundred four million, one hundred thirty thousand, two hundred fifty-one".