325543805 has 6 divisors (see below), whose sum is σ = 390700986. Its totient is φ = 260402768.

The previous prime is 325543793. The next prime is 325543807. The reversal of 325543805 is 508345523.

It can be written as a sum of positive squares in 3 ways, for example, as 53260804 + 272283001 = 7298^2 + 16501^2 .

It is not a de Polignac number, because 325543805 - 2¹⁰ = 325542781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325543807) by changing a digit.

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, 36311 + ... + 44379.

It is an arithmetic number, because the mean of its divisors is an integer number (65116831).

Almost surely, 2^325543805 is an apocalyptic number.

It is an amenable number.

325543805 is a deficient number, since it is larger than the sum of its proper divisors (65157181).

325543805 is an frugal number, since it uses more digits than its factorization.

325543805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16143 (or 8074 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 325543805 is about 18042.8325104458. The cubic root of 325543805 is about 687.9176913038.

Multiplying 325543805 by its product of nonzero digits (72000), we get a square (23439153960000 = 4841400²).

The spelling of 325543805 in words is "three hundred twenty-five million, five hundred forty-three thousand, eight hundred five".