671135061 has 16 divisors (see below), whose sum is σ = 950876928. Its totient is φ = 419596800.

The previous prime is 671135051. The next prime is 671135077. The reversal of 671135061 is 160531176.

It is not a de Polignac number, because 671135061 - 2⁵ = 671135029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671135011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9085 + ... + 37746.

It is an arithmetic number, because the mean of its divisors is an integer number (59429808).

Almost surely, 2^671135061 is an apocalyptic number.

It is an amenable number.

671135061 is a deficient number, since it is larger than the sum of its proper divisors (279741867).

671135061 is a wasteful number, since it uses less digits than its factorization.

671135061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47132.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 671135061 is about 25906.2745488424. The cubic root of 671135061 is about 875.5278713041.

The spelling of 671135061 in words is "six hundred seventy-one million, one hundred thirty-five thousand, sixty-one".