545204771 has 4 divisors (see below), whose sum is σ = 546538200. Its totient is φ = 543871344.

The previous prime is 545204749. The next prime is 545204797. The reversal of 545204771 is 177402545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 177402545 = 5 ⋅35480509.

It is a cyclic number.

It is not a de Polignac number, because 545204771 - 2¹⁴ = 545188387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545204701) 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, 666101 + ... + 666918.

It is an arithmetic number, because the mean of its divisors is an integer number (136634550).

Almost surely, 2^545204771 is an apocalyptic number.

545204771 is a deficient number, since it is larger than the sum of its proper divisors (1333429).

545204771 is a wasteful number, since it uses less digits than its factorization.

545204771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333428.

The product of its (nonzero) digits is 39200, while the sum is 35.

The square root of 545204771 is about 23349.6203609395. The cubic root of 545204771 is about 816.9332059231.

The spelling of 545204771 in words is "five hundred forty-five million, two hundred four thousand, seven hundred seventy-one".