641333 has 8 divisors (see below), whose sum is σ = 799680. Its totient is φ = 499680.

The previous prime is 641327. The next prime is 641371. The reversal of 641333 is 333146.

641333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 641333 - 2⁴ = 641317 is a prime.

It is a super-2 number, since 2×641333² = 822616033778, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 641333.

It is not an unprimeable number, because it can be changed into a prime (641633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4088 + ... + 4241.

It is an arithmetic number, because the mean of its divisors is an integer number (99960).

2⁶⁴¹³³³ is an apocalyptic number.

It is an amenable number.

641333 is a deficient number, since it is larger than the sum of its proper divisors (158347).

641333 is a wasteful number, since it uses less digits than its factorization.

641333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8347.

The product of its digits is 648, while the sum is 20.

The square root of 641333 is about 800.8326916404. The cubic root of 641333 is about 86.2371765574.

Adding to 641333 its reverse (333146), we get a palindrome (974479).

It can be divided in two parts, 6413 and 33, that added together give a palindrome (6446).

The spelling of 641333 in words is "six hundred forty-one thousand, three hundred thirty-three".