545225441 has 4 divisors (see below), whose sum is σ = 548490432. Its totient is φ = 541960452.

The previous prime is 545225437. The next prime is 545225449. The reversal of 545225441 is 144522545.

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 not a de Polignac number, because 545225441 - 2² = 545225437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 545225398 and 545225407.

It is not an unprimeable number, because it can be changed into a prime (545225449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1632245 + ... + 1632578.

It is an arithmetic number, because the mean of its divisors is an integer number (137122608).

Almost surely, 2^545225441 is an apocalyptic number.

It is an amenable number.

545225441 is a deficient number, since it is larger than the sum of its proper divisors (3264991).

545225441 is a wasteful number, since it uses less digits than its factorization.

545225441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3264990.

The product of its digits is 32000, while the sum is 32.

The square root of 545225441 is about 23350.0629763605. The cubic root of 545225441 is about 816.9435297482.

Adding to 545225441 its reverse (144522545), we get a palindrome (689747986).

It can be divided in two parts, 54522544 and 1, that added together give a palindrome (54522545).

The spelling of 545225441 in words is "five hundred forty-five million, two hundred twenty-five thousand, four hundred forty-one".