620303 has 2 divisors, whose sum is σ = 620304. Its totient is φ = 620302.

The previous prime is 620297. The next prime is 620311. The reversal of 620303 is 303026.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 620303 - 2⁶ = 620239 is a prime.

It is a Sophie Germain prime.

620303 is a modest number, since divided by 303 gives 62 as remainder.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 620303.

It is not a weakly prime, because it can be changed into another prime (620363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310151 + 310152.

It is an arithmetic number, because the mean of its divisors is an integer number (310152).

2⁶²⁰³⁰³ is an apocalyptic number.

620303 is a deficient number, since it is larger than the sum of its proper divisors (1).

620303 is an equidigital number, since it uses as much as digits as its factorization.

620303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 620303 is about 787.5931690918. The cubic root of 620303 is about 85.2840783596.

Adding to 620303 its reverse (303026), we get a palindrome (923329).

The spelling of 620303 in words is "six hundred twenty thousand, three hundred three".