671137 has 4 divisors (see below), whose sum is σ = 706480. Its totient is φ = 635796.

The previous prime is 671131. The next prime is 671141. The reversal of 671137 is 731176.

671137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 671137 - 2¹¹ = 669089 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (671131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17643 + ... + 17680.

It is an arithmetic number, because the mean of its divisors is an integer number (176620).

2⁶⁷¹¹³⁷ is an apocalyptic number.

It is an amenable number.

671137 is a deficient number, since it is larger than the sum of its proper divisors (35343).

671137 is a wasteful number, since it uses less digits than its factorization.

671137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35342.

The product of its digits is 882, while the sum is 25.

The square root of 671137 is about 819.2295160698. The cubic root of 671137 is about 87.5528714476.

It can be divided in two parts, 671 and 137, that added together give a palindrome (808).

The spelling of 671137 in words is "six hundred seventy-one thousand, one hundred thirty-seven".