324542545 has 4 divisors (see below), whose sum is σ = 389451060. Its totient is φ = 259634032.

The previous prime is 324542513. The next prime is 324542549. The reversal of 324542545 is 545245423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 545245423 = 71 ⋅7679513.

It can be written as a sum of positive squares in 2 ways, for example, as 148157584 + 176384961 = 12172^2 + 13281^2 .

It is a cyclic number.

It is not a de Polignac number, because 324542545 - 2⁵ = 324542513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 324542545.

It is not an unprimeable number, because it can be changed into a prime (324542549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32454250 + ... + 32454259.

It is an arithmetic number, because the mean of its divisors is an integer number (97362765).

Almost surely, 2^324542545 is an apocalyptic number.

It is an amenable number.

324542545 is a deficient number, since it is larger than the sum of its proper divisors (64908515).

324542545 is an equidigital number, since it uses as much as digits as its factorization.

324542545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64908514.

The product of its digits is 96000, while the sum is 34.

The square root of 324542545 is about 18015.0643906704. The cubic root of 324542545 is about 687.2117014900.

Adding to 324542545 its reverse (545245423), we get a palindrome (869787968).

The spelling of 324542545 in words is "three hundred twenty-four million, five hundred forty-two thousand, five hundred forty-five".