1804274525 has 12 divisors (see below), whose sum is σ = 2252320500. Its totient is φ = 1433729280.

The previous prime is 1804274477. The next prime is 1804274551. The reversal of 1804274525 is 5254724081.

It can be written as a sum of positive squares in 6 ways, for example, as 25290841 + 1778983684 = 5029^2 + 42178^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1804274525 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238460 + ... + 245909.

It is an arithmetic number, because the mean of its divisors is an integer number (187693375).

Almost surely, 2^1804274525 is an apocalyptic number.

It is an amenable number.

1804274525 is a deficient number, since it is larger than the sum of its proper divisors (448045975).

1804274525 is a wasteful number, since it uses less digits than its factorization.

1804274525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484528 (or 484523 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 38.

The square root of 1804274525 is about 42476.7527595978. The cubic root of 1804274525 is about 1217.4025462152.

The spelling of 1804274525 in words is "one billion, eight hundred four million, two hundred seventy-four thousand, five hundred twenty-five".