545292209 has 16 divisors (see below), whose sum is σ = 681229440. Its totient is φ = 424037760.

The previous prime is 545292179. The next prime is 545292217. The reversal of 545292209 is 902292545.

It is a cyclic number.

It is not a de Polignac number, because 545292209 - 2¹² = 545288113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545292239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32237 + ... + 46149.

It is an arithmetic number, because the mean of its divisors is an integer number (42576840).

Almost surely, 2^545292209 is an apocalyptic number.

It is an amenable number.

545292209 is a deficient number, since it is larger than the sum of its proper divisors (135937231).

545292209 is a wasteful number, since it uses less digits than its factorization.

545292209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14440.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 545292209 is about 23351.4926503639. The cubic root of 545292209 is about 816.9768758683.

The spelling of 545292209 in words is "five hundred forty-five million, two hundred ninety-two thousand, two hundred nine".