621008341 has 2 divisors, whose sum is σ = 621008342. Its totient is φ = 621008340.

The previous prime is 621008329. The next prime is 621008357. The reversal of 621008341 is 143800126.

621008341 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., 562164100 + 58844241 = 23710^2 + 7671^2 .

It is a cyclic number.

It is not a de Polignac number, because 621008341 - 2²⁹ = 84137429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (621008741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310504170 + 310504171.

It is an arithmetic number, because the mean of its divisors is an integer number (310504171).

Almost surely, 2^621008341 is an apocalyptic number.

It is an amenable number.

621008341 is a deficient number, since it is larger than the sum of its proper divisors (1).

621008341 is an equidigital number, since it uses as much as digits as its factorization.

621008341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 621008341 is about 24920.0389445924. The cubic root of 621008341 is about 853.1639136959.

Adding to 621008341 its reverse (143800126), we get a palindrome (764808467).

The spelling of 621008341 in words is "six hundred twenty-one million, eight thousand, three hundred forty-one".