671055 has 48 divisors (see below), whose sum is σ = 1378944. Its totient is φ = 275520.

The previous prime is 671039. The next prime is 671059. The reversal of 671055 is 550176.

It is not a de Polignac number, because 671055 - 2⁴ = 671039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671059) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8044 + ... + 8126.

It is an arithmetic number, because the mean of its divisors is an integer number (28728).

2⁶⁷¹⁰⁵⁵ is an apocalyptic number.

671055 is an abundant number, since it is smaller than the sum of its proper divisors (707889).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

671055 is a wasteful number, since it uses less digits than its factorization.

671055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 671055 is about 819.1794675161. The cubic root of 671055 is about 87.5493055448.

The spelling of 671055 in words is "six hundred seventy-one thousand, fifty-five".