545513211 has 10 divisors (see below), whose sum is σ = 814902572. Its totient is φ = 363675420.

The previous prime is 545513207. The next prime is 545513251. The reversal of 545513211 is 112315545.

It is not a de Polignac number, because 545513211 - 2² = 545513207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545513251) 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 9 ways as a sum of consecutive naturals, for example, 3367285 + ... + 3367446.

Almost surely, 2^545513211 is an apocalyptic number.

545513211 is a deficient number, since it is larger than the sum of its proper divisors (269389361).

545513211 is an equidigital number, since it uses as much as digits as its factorization.

545513211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6734743 (or 6734734 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 545513211 is about 23356.2242453698. The cubic root of 545513211 is about 817.0872320735.

Adding to 545513211 its reverse (112315545), we get a palindrome (657828756).

The spelling of 545513211 in words is "five hundred forty-five million, five hundred thirteen thousand, two hundred eleven".