545858671 has 2 divisors, whose sum is σ = 545858672. Its totient is φ = 545858670.

The previous prime is 545858647. The next prime is 545858759. The reversal of 545858671 is 176858545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545858671 - 2⁵ = 545858639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545855671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272929335 + 272929336.

It is an arithmetic number, because the mean of its divisors is an integer number (272929336).

Almost surely, 2^545858671 is an apocalyptic number.

545858671 is a deficient number, since it is larger than the sum of its proper divisors (1).

545858671 is an equidigital number, since it uses as much as digits as its factorization.

545858671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344000, while the sum is 49.

The square root of 545858671 is about 23363.6185339515. The cubic root of 545858671 is about 817.2596760434.

The spelling of 545858671 in words is "five hundred forty-five million, eight hundred fifty-eight thousand, six hundred seventy-one".