671671003 has 8 divisors (see below), whose sum is σ = 715547088. Its totient is φ = 628280064.

The previous prime is 671670997. The next prime is 671671009. The reversal of 671671003 is 300176176.

It is an interprime number because it is at equal distance from previous prime (671670997) and next prime (671671009).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 671671003 - 2¹⁷ = 671539931 is a prime.

It is a super-2 number, since 2×671671003² = 902283872542052018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (671671009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118426 + ... + 123967.

It is an arithmetic number, because the mean of its divisors is an integer number (89443386).

Almost surely, 2^671671003 is an apocalyptic number.

671671003 is a deficient number, since it is larger than the sum of its proper divisors (43876085).

671671003 is a wasteful number, since it uses less digits than its factorization.

671671003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242573.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 671671003 is about 25916.6163493617. The cubic root of 671671003 is about 875.7608633090.

The spelling of 671671003 in words is "six hundred seventy-one million, six hundred seventy-one thousand, three".