641033445 has 32 divisors (see below), whose sum is σ = 1122678144. Its totient is φ = 310406400.

The previous prime is 641033441. The next prime is 641033453. The reversal of 641033445 is 544330146.

641033445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 641033445 - 2² = 641033441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641033441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15051 + ... + 38840.

It is an arithmetic number, because the mean of its divisors is an integer number (35083692).

Almost surely, 2^641033445 is an apocalyptic number.

641033445 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

641033445 is a deficient number, since it is larger than the sum of its proper divisors (481644699).

641033445 is a wasteful number, since it uses less digits than its factorization.

641033445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53973.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 641033445 is about 25318.6382927676. The cubic root of 641033445 is about 862.2374785999.

The spelling of 641033445 in words is "six hundred forty-one million, thirty-three thousand, four hundred forty-five".