641500597 has 2 divisors, whose sum is σ = 641500598. Its totient is φ = 641500596.

The previous prime is 641500589. The next prime is 641500663. The reversal of 641500597 is 795005146.

641500597 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 520478596 + 121022001 = 22814^2 + 11001^2 .

It is a cyclic number.

It is not a de Polignac number, because 641500597 - 2³ = 641500589 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (641500297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320750298 + 320750299.

It is an arithmetic number, because the mean of its divisors is an integer number (320750299).

Almost surely, 2^641500597 is an apocalyptic number.

It is an amenable number.

641500597 is a deficient number, since it is larger than the sum of its proper divisors (1).

641500597 is an equidigital number, since it uses as much as digits as its factorization.

641500597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 641500597 is about 25327.8620692707. The cubic root of 641500597 is about 862.4468790920.

The spelling of 641500597 in words is "six hundred forty-one million, five hundred thousand, five hundred ninety-seven".