324213047 has 2 divisors, whose sum is σ = 324213048. Its totient is φ = 324213046.

The previous prime is 324212983. The next prime is 324213049. The reversal of 324213047 is 740312423.

It is a strong prime.

It is an emirp because it is prime and its reverse (740312423) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 324213047 - 2⁶ = 324212983 is a prime.

It is a super-2 number, since 2×324213047² = 210228199690048418, which contains 22 as substring.

Together with 324213049, 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 (324213049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162106523 + 162106524.

It is an arithmetic number, because the mean of its divisors is an integer number (162106524).

Almost surely, 2^324213047 is an apocalyptic number.

324213047 is a deficient number, since it is larger than the sum of its proper divisors (1).

324213047 is an equidigital number, since it uses as much as digits as its factorization.

324213047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 324213047 is about 18005.9169996976. The cubic root of 324213047 is about 686.9790544830.

The spelling of 324213047 in words is "three hundred twenty-four million, two hundred thirteen thousand, forty-seven".