641832275 has 24 divisors (see below), whose sum is σ = 918598944. Its totient is φ = 435744000.

The previous prime is 641832271. The next prime is 641832281. The reversal of 641832275 is 572238146.

It is a happy number.

It is not a de Polignac number, because 641832275 - 2² = 641832271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (641832271) 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 23 ways as a sum of consecutive naturals, for example, 482 + ... + 35831.

It is an arithmetic number, because the mean of its divisors is an integer number (38274956).

Almost surely, 2^641832275 is an apocalyptic number.

641832275 is a deficient number, since it is larger than the sum of its proper divisors (276766669).

641832275 is a wasteful number, since it uses less digits than its factorization.

641832275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36431 (or 36426 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

The square root of 641832275 is about 25334.4089135705. The cubic root of 641832275 is about 862.5954917727.

The spelling of 641832275 in words is "six hundred forty-one million, eight hundred thirty-two thousand, two hundred seventy-five".