545274571 has 4 divisors (see below), whose sum is σ = 550277200. Its totient is φ = 540271944.

The previous prime is 545274557. The next prime is 545274581. The reversal of 545274571 is 175472545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 175472545 = 5 ⋅35094509.

It is a cyclic number.

It is not a de Polignac number, because 545274571 - 2¹⁷ = 545143499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545274581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2501151 + ... + 2501368.

It is an arithmetic number, because the mean of its divisors is an integer number (137569300).

Almost surely, 2^545274571 is an apocalyptic number.

545274571 is a deficient number, since it is larger than the sum of its proper divisors (5002629).

545274571 is a wasteful number, since it uses less digits than its factorization.

545274571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5002628.

The product of its digits is 196000, while the sum is 40.

The square root of 545274571 is about 23351.1149840859. The cubic root of 545274571 is about 816.9680671395.

The spelling of 545274571 in words is "five hundred forty-five million, two hundred seventy-four thousand, five hundred seventy-one".