545616571 has 2 divisors, whose sum is σ = 545616572. Its totient is φ = 545616570.

The previous prime is 545616563. The next prime is 545616619. The reversal of 545616571 is 175616545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545616571 - 2³ = 545616563 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (545616271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272808285 + 272808286.

It is an arithmetic number, because the mean of its divisors is an integer number (272808286).

Almost surely, 2^545616571 is an apocalyptic number.

545616571 is a deficient number, since it is larger than the sum of its proper divisors (1).

545616571 is an equidigital number, since it uses as much as digits as its factorization.

545616571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 126000, while the sum is 40.

The square root of 545616571 is about 23358.4368269797. The cubic root of 545616571 is about 817.1388341254.

The spelling of 545616571 in words is "five hundred forty-five million, six hundred sixteen thousand, five hundred seventy-one".