1804032925 has 6 divisors (see below), whose sum is σ = 2237000858. Its totient is φ = 1443226320.

The previous prime is 1804032883. The next prime is 1804032943. The reversal of 1804032925 is 5292304081.

It can be written as a sum of positive squares in 3 ways, for example, as 158432569 + 1645600356 = 12587^2 + 40566^2 .

It is not a de Polignac number, because 1804032925 - 2⁹ = 1804032413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 36080634 + ... + 36080683.

Almost surely, 2^1804032925 is an apocalyptic number.

It is an amenable number.

1804032925 is a deficient number, since it is larger than the sum of its proper divisors (432967933).

1804032925 is an equidigital number, since it uses as much as digits as its factorization.

1804032925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72161327 (or 72161322 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 1804032925 is about 42473.9087558468. The cubic root of 1804032925 is about 1217.3482053375.

The spelling of 1804032925 in words is "one billion, eight hundred four million, thirty-two thousand, nine hundred twenty-five".