324450431 has 2 divisors, whose sum is σ = 324450432. Its totient is φ = 324450430.

The previous prime is 324450361. The next prime is 324450449. The reversal of 324450431 is 134054423.

It is a strong prime.

It is an emirp because it is prime and its reverse (134054423) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-324450431 is a prime.

It is a super-2 number, since 2×324450431² = 210536164352171522, which contains 22 as substring.

It is a Chen prime.

It is equal to p_17502236 and since 324450431 and 17502236 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 324450431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (324450031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162225215 + 162225216.

It is an arithmetic number, because the mean of its divisors is an integer number (162225216).

Almost surely, 2^324450431 is an apocalyptic number.

324450431 is a deficient number, since it is larger than the sum of its proper divisors (1).

324450431 is an equidigital number, since it uses as much as digits as its factorization.

324450431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 324450431 is about 18012.5076266465. The cubic root of 324450431 is about 687.1466788815.

The spelling of 324450431 in words is "three hundred twenty-four million, four hundred fifty thousand, four hundred thirty-one".