641001262 has 32 divisors (see below), whose sum is σ = 1063290240. Its totient is φ = 287395680.

The previous prime is 641001259. The next prime is 641001287. The reversal of 641001262 is 262100146.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 745789 + ... + 746647.

It is an arithmetic number, because the mean of its divisors is an integer number (33227820).

Almost surely, 2^641001262 is an apocalyptic number.

641001262 is a deficient number, since it is larger than the sum of its proper divisors (422288978).

641001262 is a wasteful number, since it uses less digits than its factorization.

641001262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 641001262 is about 25318.0027253336. The cubic root of 641001262 is about 862.2230488519.

The spelling of 641001262 in words is "six hundred forty-one million, one thousand, two hundred sixty-two".