545434213 has 4 divisors (see below), whose sum is σ = 569148768. Its totient is φ = 521719660.

The previous prime is 545434189. The next prime is 545434229. The reversal of 545434213 is 312434545.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545434213 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545435213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11857243 + ... + 11857288.

It is an arithmetic number, because the mean of its divisors is an integer number (142287192).

Almost surely, 2^545434213 is an apocalyptic number.

It is an amenable number.

545434213 is a deficient number, since it is larger than the sum of its proper divisors (23714555).

545434213 is a wasteful number, since it uses less digits than its factorization.

545434213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23714554.

The product of its digits is 28800, while the sum is 31.

The square root of 545434213 is about 23354.5330289432. The cubic root of 545434213 is about 817.0477882544.

Adding to 545434213 its reverse (312434545), we get a palindrome (857868758).

The spelling of 545434213 in words is "five hundred forty-five million, four hundred thirty-four thousand, two hundred thirteen".