641545030 has 16 divisors (see below), whose sum is σ = 1319749920. Its totient is φ = 219958272.

The previous prime is 641545007. The next prime is 641545039. The reversal of 641545030 is 30545146.

641545030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 641545030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641545039) 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, 4582395 + ... + 4582534.

It is an arithmetic number, because the mean of its divisors is an integer number (82484370).

Almost surely, 2^641545030 is an apocalyptic number.

641545030 is an abundant number, since it is smaller than the sum of its proper divisors (678204890).

641545030 is a wasteful number, since it uses less digits than its factorization.

641545030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9164943.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 641545030 is about 25328.7392106279. The cubic root of 641545030 is about 862.4667908519.

The spelling of 641545030 in words is "six hundred forty-one million, five hundred forty-five thousand, thirty".