1804003625 has 16 divisors (see below), whose sum is σ = 2253088656. Its totient is φ = 1442118400.

The previous prime is 1804003613. The next prime is 1804003661. The reversal of 1804003625 is 5263004081.

It can be written as a sum of positive squares in 8 ways, for example, as 1416543769 + 387459856 = 37637^2 + 19684^2 .

It is not a de Polignac number, because 1804003625 - 2¹⁰ = 1804002601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189479 + ... + 198771.

It is an arithmetic number, because the mean of its divisors is an integer number (140818041).

Almost surely, 2^1804003625 is an apocalyptic number.

It is an amenable number.

1804003625 is a deficient number, since it is larger than the sum of its proper divisors (449085031).

1804003625 is an equidigital number, since it uses as much as digits as its factorization.

1804003625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10861 (or 10851 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1804003625 is about 42473.5638368150. The cubic root of 1804003625 is about 1217.3416148266.

The spelling of 1804003625 in words is "one billion, eight hundred four million, three thousand, six hundred twenty-five".