327420752251 has 2 divisors, whose sum is σ = 327420752252. Its totient is φ = 327420752250.

The previous prime is 327420752207. The next prime is 327420752297. The reversal of 327420752251 is 152257024723.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 327420752251 - 2¹⁷ = 327420621179 is a prime.

It is a super-2 number, since 2×327420752251² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (327420752051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163710376125 + 163710376126.

It is an arithmetic number, because the mean of its divisors is an integer number (163710376126).

Almost surely, 2^327420752251 is an apocalyptic number.

327420752251 is a deficient number, since it is larger than the sum of its proper divisors (1).

327420752251 is an equidigital number, since it uses as much as digits as its factorization.

327420752251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 235200, while the sum is 40.

Adding to 327420752251 its reverse (152257024723), we get a palindrome (479677776974).

The spelling of 327420752251 in words is "three hundred twenty-seven billion, four hundred twenty million, seven hundred fifty-two thousand, two hundred fifty-one".