641353033 has 16 divisors (see below), whose sum is σ = 686776320. Its totient is φ = 596824576.

The previous prime is 641353001. The next prime is 641353043. The reversal of 641353033 is 330353146.

It is not a de Polignac number, because 641353033 - 2⁵ = 641353001 is a prime.

It is a super-2 number, since 2×641353033² = 822667425876598178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 641352992 and 641353010.

It is not an unprimeable number, because it can be changed into a prime (641353043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 891648 + ... + 892366.

It is an arithmetic number, because the mean of its divisors is an integer number (42923520).

Almost surely, 2^641353033 is an apocalyptic number.

It is an amenable number.

641353033 is a deficient number, since it is larger than the sum of its proper divisors (45423287).

641353033 is a wasteful number, since it uses less digits than its factorization.

641353033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256.

The product of its (nonzero) digits is 9720, while the sum is 28.

The square root of 641353033 is about 25324.9488252198. The cubic root of 641353033 is about 862.3807446403.

The spelling of 641353033 in words is "six hundred forty-one million, three hundred fifty-three thousand, thirty-three".