804125837 has 4 divisors (see below), whose sum is σ = 804186876. Its totient is φ = 804064800.

The previous prime is 804125831. The next prime is 804125863. The reversal of 804125837 is 738521408.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 35117476 + 769008361 = 5926^2 + 27731^2 .

It is a cyclic number.

It is not a de Polignac number, because 804125837 - 2¹⁰ = 804124813 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 804125837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804125831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1664 + ... + 40137.

It is an arithmetic number, because the mean of its divisors is an integer number (201046719).

Almost surely, 2^804125837 is an apocalyptic number.

It is an amenable number.

804125837 is a deficient number, since it is larger than the sum of its proper divisors (61039).

804125837 is a wasteful number, since it uses less digits than its factorization.

804125837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61038.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 804125837 is about 28357.1126351044. The cubic root of 804125837 is about 929.9109010105.

The spelling of 804125837 in words is "eight hundred four million, one hundred twenty-five thousand, eight hundred thirty-seven".