545240871 has 12 divisors (see below), whose sum is σ = 900080272. Its totient is φ = 311566176.

The previous prime is 545240867. The next prime is 545240873. The reversal of 545240871 is 178042545.

545240871 is a `hidden beast` number, since 54 + 524 + 0 + 87 + 1 = 666.

It is not a de Polignac number, because 545240871 - 2² = 545240867 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545240873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4327246 + ... + 4327371.

Almost surely, 2^545240871 is an apocalyptic number.

545240871 is a deficient number, since it is larger than the sum of its proper divisors (354839401).

545240871 is a wasteful number, since it uses less digits than its factorization.

545240871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8654630 (or 8654627 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 545240871 is about 23350.3933799840. The cubic root of 545240871 is about 816.9512362360.

The spelling of 545240871 in words is "five hundred forty-five million, two hundred forty thousand, eight hundred seventy-one".