641313300 has 72 divisors (see below), whose sum is σ = 1859318496. Its totient is φ = 170668160.

The previous prime is 641313293. The next prime is 641313317. The reversal of 641313300 is 3313146.

It is a super-2 number, since 2×641313300² = 822565497513780000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 167002 + ... + 170798.

It is an arithmetic number, because the mean of its divisors is an integer number (25823868).

Almost surely, 2^641313300 is an apocalyptic number.

641313300 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 641313300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (929659248).

641313300 is an abundant number, since it is smaller than the sum of its proper divisors (1218005196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

641313300 is a wasteful number, since it uses less digits than its factorization.

641313300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4377 (or 4370 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 641313300 is about 25324.1643494904. The cubic root of 641313300 is about 862.3629355814.

Adding to 641313300 its reverse (3313146), we get a palindrome (644626446).

The spelling of 641313300 in words is "six hundred forty-one million, three hundred thirteen thousand, three hundred".