327642101 has 2 divisors, whose sum is σ = 327642102. Its totient is φ = 327642100.

The previous prime is 327642083. The next prime is 327642103. The reversal of 327642101 is 101246723.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179533201 + 148108900 = 13399^2 + 12170^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-327642101 is a prime.

Together with 327642103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (327642103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163821050 + 163821051.

It is an arithmetic number, because the mean of its divisors is an integer number (163821051).

Almost surely, 2^327642101 is an apocalyptic number.

It is an amenable number.

327642101 is a deficient number, since it is larger than the sum of its proper divisors (1).

327642101 is an equidigital number, since it uses as much as digits as its factorization.

327642101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 327642101 is about 18100.8867462343. The cubic root of 327642101 is about 689.3925207098.

Adding to 327642101 its reverse (101246723), we get a palindrome (428888824).

The spelling of 327642101 in words is "three hundred twenty-seven million, six hundred forty-two thousand, one hundred one".