671451375 has 64 divisors (see below), whose sum is σ = 1284940800. Its totient is φ = 305020800.

The previous prime is 671451349. The next prime is 671451379. The reversal of 671451375 is 573154176.

It is not a de Polignac number, because 671451375 - 2⁵ = 671451343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671451379) 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 63 ways as a sum of consecutive naturals, for example, 469161 + ... + 470589.

It is an arithmetic number, because the mean of its divisors is an integer number (20077200).

Almost surely, 2^671451375 is an apocalyptic number.

671451375 is a deficient number, since it is larger than the sum of its proper divisors (613489425).

671451375 is a wasteful number, since it uses less digits than its factorization.

671451375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633 (or 1623 counting only the distinct ones).

The product of its digits is 88200, while the sum is 39.

The square root of 671451375 is about 25912.3787985588. The cubic root of 671451375 is about 875.6653986275.

The spelling of 671451375 in words is "six hundred seventy-one million, four hundred fifty-one thousand, three hundred seventy-five".