327621065 has 8 divisors (see below), whose sum is σ = 394261128. Its totient is φ = 261352960.

The previous prime is 327621043. The next prime is 327621071. The reversal of 327621065 is 560126723.

It can be written as a sum of positive squares in 4 ways, for example, as 2468041 + 325153024 = 1571^2 + 18032^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 327621065 - 2¹² = 327616969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91046 + ... + 94575.

It is an arithmetic number, because the mean of its divisors is an integer number (49282641).

Almost surely, 2^327621065 is an apocalyptic number.

It is an amenable number.

327621065 is a deficient number, since it is larger than the sum of its proper divisors (66640063).

327621065 is a wasteful number, since it uses less digits than its factorization.

327621065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185979.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 327621065 is about 18100.3056604025. The cubic root of 327621065 is about 689.3777664282.

Adding to 327621065 its reverse (560126723), we get a palindrome (887747788).

The spelling of 327621065 in words is "three hundred twenty-seven million, six hundred twenty-one thousand, sixty-five".