324612643 has 2 divisors, whose sum is σ = 324612644. Its totient is φ = 324612642.

The previous prime is 324612623. The next prime is 324612647. The reversal of 324612643 is 346216423.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 324612643 - 2²⁵ = 291058211 is a prime.

It is not a weakly prime, because it can be changed into another prime (324612647) 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, 162306321 + 162306322.

It is an arithmetic number, because the mean of its divisors is an integer number (162306322).

Almost surely, 2^324612643 is an apocalyptic number.

324612643 is a deficient number, since it is larger than the sum of its proper divisors (1).

324612643 is an equidigital number, since it uses as much as digits as its factorization.

324612643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 31.

The square root of 324612643 is about 18017.0098240524. The cubic root of 324612643 is about 687.2611749194.

The spelling of 324612643 in words is "three hundred twenty-four million, six hundred twelve thousand, six hundred forty-three".