324143957 has 2 divisors, whose sum is σ = 324143958. Its totient is φ = 324143956.

The previous prime is 324143929. The next prime is 324143959. The reversal of 324143957 is 759341423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 289204036 + 34939921 = 17006^2 + 5911^2 .

It is a cyclic number.

It is not a de Polignac number, because 324143957 - 2²² = 319949653 is a prime.

Together with 324143959, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 324143957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (324143959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162071978 + 162071979.

It is an arithmetic number, because the mean of its divisors is an integer number (162071979).

Almost surely, 2^324143957 is an apocalyptic number.

It is an amenable number.

324143957 is a deficient number, since it is larger than the sum of its proper divisors (1).

324143957 is an equidigital number, since it uses as much as digits as its factorization.

324143957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 38.

The square root of 324143957 is about 18003.9983614752. The cubic root of 324143957 is about 686.9302524630.

The spelling of 324143957 in words is "three hundred twenty-four million, one hundred forty-three thousand, nine hundred fifty-seven".