620245333 has 2 divisors, whose sum is σ = 620245334. Its totient is φ = 620245332.

The previous prime is 620245321. The next prime is 620245349. The reversal of 620245333 is 333542026.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 571831569 + 48413764 = 23913^2 + 6958^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-620245333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620245313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310122666 + 310122667.

It is an arithmetic number, because the mean of its divisors is an integer number (310122667).

Almost surely, 2^620245333 is an apocalyptic number.

It is an amenable number.

620245333 is a deficient number, since it is larger than the sum of its proper divisors (1).

620245333 is an equidigital number, since it uses as much as digits as its factorization.

620245333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 28.

The square root of 620245333 is about 24904.7251139217. The cubic root of 620245333 is about 852.8143544185.

Adding to 620245333 its reverse (333542026), we get a palindrome (953787359).

The spelling of 620245333 in words is "six hundred twenty million, two hundred forty-five thousand, three hundred thirty-three".