1801328325 has 12 divisors (see below), whose sum is σ = 2978196288. Its totient is φ = 960708400.

The previous prime is 1801328293. The next prime is 1801328341. The reversal of 1801328325 is 5238231081.

It is not a de Polignac number, because 1801328325 - 2⁵ = 1801328293 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, 12008781 + ... + 12008930.

It is an arithmetic number, because the mean of its divisors is an integer number (248183024).

Almost surely, 2^1801328325 is an apocalyptic number.

1801328325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1801328325 is a deficient number, since it is larger than the sum of its proper divisors (1176867963).

1801328325 is a wasteful number, since it uses less digits than its factorization.

1801328325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24017724 (or 24017719 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 1801328325 is about 42442.0584444251. The cubic root of 1801328325 is about 1216.7395529822.

The spelling of 1801328325 in words is "one billion, eight hundred one million, three hundred twenty-eight thousand, three hundred twenty-five".