325564855 has 16 divisors (see below), whose sum is σ = 487079424. Its totient is φ = 202949280.

The previous prime is 325564843. The next prime is 325564861. The reversal of 325564855 is 558465523.

It is not a de Polignac number, because 325564855 - 2⁵ = 325564823 is a prime.

It is a super-2 number, since 2×325564855² = 211984949622342050, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 422427 + ... + 423196.

It is an arithmetic number, because the mean of its divisors is an integer number (30442464).

Almost surely, 2^325564855 is an apocalyptic number.

325564855 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

325564855 is a deficient number, since it is larger than the sum of its proper divisors (161514569).

325564855 is a wasteful number, since it uses less digits than its factorization.

325564855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845646.

The product of its digits is 720000, while the sum is 43.

The square root of 325564855 is about 18043.4158351461. The cubic root of 325564855 is about 687.9325181413.

The spelling of 325564855 in words is "three hundred twenty-five million, five hundred sixty-four thousand, eight hundred fifty-five".