324412521 has 4 divisors (see below), whose sum is σ = 432550032. Its totient is φ = 216275012.

The previous prime is 324412507. The next prime is 324412537. The reversal of 324412521 is 125214423.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 125214423 = 3 ⋅41738141.

It is a cyclic number.

It is not a de Polignac number, because 324412521 - 2⁷ = 324412393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 324412491 and 324412500.

It is not an unprimeable number, because it can be changed into a prime (324412591) 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 in 3 ways as a sum of consecutive naturals, for example, 54068751 + ... + 54068756.

It is an arithmetic number, because the mean of its divisors is an integer number (108137508).

Almost surely, 2^324412521 is an apocalyptic number.

It is an amenable number.

324412521 is a deficient number, since it is larger than the sum of its proper divisors (108137511).

324412521 is a wasteful number, since it uses less digits than its factorization.

324412521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108137510.

The product of its digits is 1920, while the sum is 24.

The square root of 324412521 is about 18011.4552715765. The cubic root of 324412521 is about 687.1199149110.

Adding to 324412521 its reverse (125214423), we get a palindrome (449626944).

The spelling of 324412521 in words is "three hundred twenty-four million, four hundred twelve thousand, five hundred twenty-one".