671172203 has 16 divisors (see below), whose sum is σ = 740056800. Its totient is φ = 604903680.

The previous prime is 671172167. The next prime is 671172209. The reversal of 671172203 is 302271176.

It is a cyclic number.

It is not a de Polignac number, because 671172203 - 2¹² = 671168107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (671172209) 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, 107183 + ... + 113271.

It is an arithmetic number, because the mean of its divisors is an integer number (46253550).

Almost surely, 2^671172203 is an apocalyptic number.

671172203 is a deficient number, since it is larger than the sum of its proper divisors (68884597).

671172203 is a wasteful number, since it uses less digits than its factorization.

671172203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6302.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 671172203 is about 25906.9913922864. The cubic root of 671172203 is about 875.5440221795.

The spelling of 671172203 in words is "six hundred seventy-one million, one hundred seventy-two thousand, two hundred three".