641675 has 6 divisors (see below), whose sum is σ = 795708. Its totient is φ = 513320.

The previous prime is 641639. The next prime is 641681. The reversal of 641675 is 576146.

641675 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 641675 - 2⁸ = 641419 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12809 + ... + 12858.

It is an arithmetic number, because the mean of its divisors is an integer number (132618).

2⁶⁴¹⁶⁷⁵ is an apocalyptic number.

641675 is a deficient number, since it is larger than the sum of its proper divisors (154033).

641675 is a wasteful number, since it uses less digits than its factorization.

641675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25677 (or 25672 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 641675 is about 801.0461909278. The cubic root of 641675 is about 86.2525029029.

The spelling of 641675 in words is "six hundred forty-one thousand, six hundred seventy-five".