671005258 has 24 divisors (see below), whose sum is σ = 1264376736. Its totient is φ = 261429960.

The previous prime is 671005253. The next prime is 671005297. The reversal of 671005258 is 852500176.

It is not an unprimeable number, because it can be changed into a prime (671005253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196360 + ... + 199747.

It is an arithmetic number, because the mean of its divisors is an integer number (52682364).

Almost surely, 2^671005258 is an apocalyptic number.

671005258 is a deficient number, since it is larger than the sum of its proper divisors (593371478).

671005258 is a wasteful number, since it uses less digits than its factorization.

671005258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396138 (or 396127 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 671005258 is about 25903.7691851977. The cubic root of 671005258 is about 875.4714229187.

The spelling of 671005258 in words is "six hundred seventy-one million, five thousand, two hundred fifty-eight".