620603 has 2 divisors, whose sum is σ = 620604. Its totient is φ = 620602.

The previous prime is 620579. The next prime is 620623. The reversal of 620603 is 306026.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 620603 - 2¹² = 616507 is a prime.

It is a Chen prime.

It is a plaindrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 620603.

It is not a weakly prime, because it can be changed into another prime (620623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310301 + 310302.

It is an arithmetic number, because the mean of its divisors is an integer number (310302).

2⁶²⁰⁶⁰³ is an apocalyptic number.

620603 is a deficient number, since it is larger than the sum of its proper divisors (1).

620603 is an equidigital number, since it uses as much as digits as its factorization.

620603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 620603 is about 787.7835997277. The cubic root of 620603 is about 85.2978249210.

Adding to 620603 its reverse (306026), we get a palindrome (926629).

The spelling of 620603 in words is "six hundred twenty thousand, six hundred three".