324427457 has 2 divisors, whose sum is σ = 324427458. Its totient is φ = 324427456.

The previous prime is 324427429. The next prime is 324427487. The reversal of 324427457 is 754724423.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189310081 + 135117376 = 13759^2 + 11624^2 .

It is a cyclic number.

It is not a de Polignac number, because 324427457 - 2¹⁸ = 324165313 is a prime.

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 324427457.

It is not a weakly prime, because it can be changed into another prime (324427487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162213728 + 162213729.

It is an arithmetic number, because the mean of its divisors is an integer number (162213729).

Almost surely, 2^324427457 is an apocalyptic number.

It is an amenable number.

324427457 is a deficient number, since it is larger than the sum of its proper divisors (1).

324427457 is an equidigital number, since it uses as much as digits as its factorization.

324427457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 188160, while the sum is 38.

The square root of 324427457 is about 18011.8698918241. The cubic root of 324427457 is about 687.1304597831.

The spelling of 324427457 in words is "three hundred twenty-four million, four hundred twenty-seven thousand, four hundred fifty-seven".