641260 has 12 divisors (see below), whose sum is σ = 1346688. Its totient is φ = 256496.

The previous prime is 641239. The next prime is 641261. The reversal of 641260 is 62146.

641260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×641260² = 822428775200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (641261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16012 + ... + 16051.

It is an arithmetic number, because the mean of its divisors is an integer number (112224).

2⁶⁴¹²⁶⁰ is an apocalyptic number.

It is an amenable number.

641260 is an abundant number, since it is smaller than the sum of its proper divisors (705428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

641260 is a wasteful number, since it uses less digits than its factorization.

641260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32072 (or 32070 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 641260 is about 800.7871127834. The cubic root of 641260 is about 86.2339044389.

The spelling of 641260 in words is "six hundred forty-one thousand, two hundred sixty".