671853375 has 48 divisors (see below), whose sum is σ = 1214366400. Its totient is φ = 357364800.

The previous prime is 671853317. The next prime is 671853389. The reversal of 671853375 is 573358176.

It is not a de Polignac number, because 671853375 - 2¹⁰ = 671852351 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 671853375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 673377 + ... + 674373.

It is an arithmetic number, because the mean of its divisors is an integer number (25299300).

Almost surely, 2^671853375 is an apocalyptic number.

671853375 is a deficient number, since it is larger than the sum of its proper divisors (542513025).

671853375 is a wasteful number, since it uses less digits than its factorization.

671853375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617 (or 1604 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The square root of 671853375 is about 25920.1345482619. The cubic root of 671853375 is about 875.8401182848.

The spelling of 671853375 in words is "six hundred seventy-one million, eight hundred fifty-three thousand, three hundred seventy-five".