641010 has 32 divisors (see below), whose sum is σ = 1607040. Its totient is φ = 163328.

The previous prime is 640993. The next prime is 641051. The reversal of 641010 is 10146.

It is an unprimeable number.

641010 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226 + ... + 1154.

It is an arithmetic number, because the mean of its divisors is an integer number (50220).

2⁶⁴¹⁰¹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 641010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (803520).

641010 is an abundant number, since it is smaller than the sum of its proper divisors (966030).

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

641010 is a wasteful number, since it uses less digits than its factorization.

641010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 641010 is about 800.6310011485. The cubic root of 641010 is about 86.2226966718. Note that the first 3 decimals are identical.

Adding to 641010 its reverse (10146), we get a palindrome (651156).

The spelling of 641010 in words is "six hundred forty-one thousand, ten".