641598875 has 16 divisors (see below), whose sum is σ = 804340992. Its totient is φ = 510955200.

The previous prime is 641598851. The next prime is 641598877. The reversal of 641598875 is 578895146.

641598875 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 641598875 - 2¹⁰ = 641597851 is a prime.

It is a super-3 number, since 3×641598875³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (641598877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16367 + ... + 39383.

It is an arithmetic number, because the mean of its divisors is an integer number (50271312).

Almost surely, 2^641598875 is an apocalyptic number.

641598875 is a deficient number, since it is larger than the sum of its proper divisors (162742117).

641598875 is a wasteful number, since it uses less digits than its factorization.

641598875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23255 (or 23245 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 53.

The square root of 641598875 is about 25329.8021113470. The cubic root of 641598875 is about 862.4909191791.

The spelling of 641598875 in words is "six hundred forty-one million, five hundred ninety-eight thousand, eight hundred seventy-five".