252328916447 has 2 divisors, whose sum is σ = 252328916448. Its totient is φ = 252328916446.

The previous prime is 252328916407. The next prime is 252328916449. The reversal of 252328916447 is 744619823252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252328916447 is a prime.

Together with 252328916449, 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 (252328916449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126164458223 + 126164458224.

It is an arithmetic number, because the mean of its divisors is an integer number (126164458224).

Almost surely, 2^252328916447 is an apocalyptic number.

252328916447 is a deficient number, since it is larger than the sum of its proper divisors (1).

252328916447 is an equidigital number, since it uses as much as digits as its factorization.

252328916447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5806080, while the sum is 53.

The spelling of 252328916447 in words is "two hundred fifty-two billion, three hundred twenty-eight million, nine hundred sixteen thousand, four hundred forty-seven".