324427429 has 2 divisors, whose sum is σ = 324427430. Its totient is φ = 324427428.

The previous prime is 324427409. The next prime is 324427457. The reversal of 324427429 is 924724423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237098404 + 87329025 = 15398^2 + 9345^2 .

It is a cyclic number.

It is not a de Polignac number, because 324427429 - 2⁹ = 324426917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (324427409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162213714 + 162213715.

It is an arithmetic number, because the mean of its divisors is an integer number (162213715).

Almost surely, 2^324427429 is an apocalyptic number.

It is an amenable number.

324427429 is a deficient number, since it is larger than the sum of its proper divisors (1).

324427429 is an equidigital number, since it uses as much as digits as its factorization.

324427429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 37.

The square root of 324427429 is about 18011.8691145589. The cubic root of 324427429 is about 687.1304400153.

The spelling of 324427429 in words is "three hundred twenty-four million, four hundred twenty-seven thousand, four hundred twenty-nine".