641001359 has 8 divisors (see below), whose sum is σ = 652121952. Its totient is φ = 629900640.

The previous prime is 641001349. The next prime is 641001373. The reversal of 641001359 is 953100146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-641001359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641001349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69662 + ... + 78324.

It is an arithmetic number, because the mean of its divisors is an integer number (81515244).

Almost surely, 2^641001359 is an apocalyptic number.

641001359 is a deficient number, since it is larger than the sum of its proper divisors (11120593).

641001359 is a wasteful number, since it uses less digits than its factorization.

641001359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9937.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 641001359 is about 25318.0046409665. The cubic root of 641001359 is about 862.2230923441.

The spelling of 641001359 in words is "six hundred forty-one million, one thousand, three hundred fifty-nine".