620241143 has 2 divisors, whose sum is σ = 620241144. Its totient is φ = 620241142.

The previous prime is 620241133. The next prime is 620241151. The reversal of 620241143 is 341142026.

620241143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 620241143 - 2⁶ = 620241079 is a prime.

It is equal to p_32325233 and since 620241143 and 32325233 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620241103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310120571 + 310120572.

It is an arithmetic number, because the mean of its divisors is an integer number (310120572).

Almost surely, 2^620241143 is an apocalyptic number.

620241143 is a deficient number, since it is larger than the sum of its proper divisors (1).

620241143 is an equidigital number, since it uses as much as digits as its factorization.

620241143 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 23.

The square root of 620241143 is about 24904.6409931964. The cubic root of 620241143 is about 852.8124340493.

Adding to 620241143 its reverse (341142026), we get a palindrome (961383169).

The spelling of 620241143 in words is "six hundred twenty million, two hundred forty-one thousand, one hundred forty-three".