545213441 has 4 divisors (see below), whose sum is σ = 545260884. Its totient is φ = 545166000.

The previous prime is 545213411. The next prime is 545213467. The reversal of 545213441 is 144312545.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 329241025 + 215972416 = 18145^2 + 14696^2 .

It is a cyclic number.

It is not a de Polignac number, because 545213441 - 2¹⁴ = 545197057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545213401) 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, 5591 + ... + 33491.

It is an arithmetic number, because the mean of its divisors is an integer number (136315221).

Almost surely, 2^545213441 is an apocalyptic number.

It is an amenable number.

545213441 is a deficient number, since it is larger than the sum of its proper divisors (47443).

545213441 is a wasteful number, since it uses less digits than its factorization.

545213441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47442.

The product of its digits is 9600, while the sum is 29.

The square root of 545213441 is about 23349.8060163248. The cubic root of 545213441 is about 816.9375362676.

Adding to 545213441 its reverse (144312545), we get a palindrome (689525986).

The spelling of 545213441 in words is "five hundred forty-five million, two hundred thirteen thousand, four hundred forty-one".