671103953 has 16 divisors (see below), whose sum is σ = 734894160. Its totient is φ = 609140736.

The previous prime is 671103919. The next prime is 671103989. The reversal of 671103953 is 359301176.

It can be written as a sum of positive squares in 8 ways, for example, as 93566929 + 577537024 = 9673^2 + 24032^2 .

It is a cyclic number.

It is not a de Polignac number, because 671103953 - 2⁶ = 671103889 is a prime.

It is a super-3 number, since 3×671103953³ (a number of 27 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (671103253) 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, 192401 + ... + 195857.

It is an arithmetic number, because the mean of its divisors is an integer number (45930885).

Almost surely, 2^671103953 is an apocalyptic number.

It is an amenable number.

671103953 is a deficient number, since it is larger than the sum of its proper divisors (63790207).

671103953 is a wasteful number, since it uses less digits than its factorization.

671103953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3716.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 671103953 is about 25905.6741467965. The cubic root of 671103953 is about 875.5143438025.

The spelling of 671103953 in words is "six hundred seventy-one million, one hundred three thousand, nine hundred fifty-three".