641033 has 8 divisors (see below), whose sum is σ = 684288. Its totient is φ = 599104.

The previous prime is 640993. The next prime is 641051. The reversal of 641033 is 330146.

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

It is not a de Polignac number, because 641033 - 2⁸ = 640777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (641083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 785 + ... + 1377.

It is an arithmetic number, because the mean of its divisors is an integer number (85536).

2⁶⁴¹⁰³³ is an apocalyptic number.

It is an amenable number.

641033 is a deficient number, since it is larger than the sum of its proper divisors (43255).

641033 is a wasteful number, since it uses less digits than its factorization.

641033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 641033 is about 800.6453646903. The cubic root of 641033 is about 86.2237279081.

Adding to 641033 its reverse (330146), we get a palindrome (971179).

The spelling of 641033 in words is "six hundred forty-one thousand, thirty-three".