213300545 has 4 divisors (see below), whose sum is σ = 255960660. Its totient is φ = 170640432.

The previous prime is 213300499. The next prime is 213300589. The reversal of 213300545 is 545003312.

213300545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 82609921 + 130690624 = 9089^2 + 11432^2 .

It is a cyclic number.

It is not a de Polignac number, because 213300545 - 2¹⁰ = 213299521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213300545.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21330050 + ... + 21330059.

It is an arithmetic number, because the mean of its divisors is an integer number (63990165).

Almost surely, 2^213300545 is an apocalyptic number.

It is an amenable number.

213300545 is a deficient number, since it is larger than the sum of its proper divisors (42660115).

213300545 is an equidigital number, since it uses as much as digits as its factorization.

213300545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42660114.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 213300545 is about 14604.8123918111. The cubic root of 213300545 is about 597.4900192657.

Adding to 213300545 its reverse (545003312), we get a palindrome (758303857).

The spelling of 213300545 in words is "two hundred thirteen million, three hundred thousand, five hundred forty-five".