620933 has 2 divisors, whose sum is σ = 620934. Its totient is φ = 620932.

The previous prime is 620929. The next prime is 620947. The reversal of 620933 is 339026.

It is a happy number.

620933 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., 611524 + 9409 = 782^2 + 97^2 .

It is a cyclic number.

It is not a de Polignac number, because 620933 - 2² = 620929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 620899 and 620908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310466 + 310467.

It is an arithmetic number, because the mean of its divisors is an integer number (310467).

2⁶²⁰⁹³³ is an apocalyptic number.

It is an amenable number.

620933 is a deficient number, since it is larger than the sum of its proper divisors (1).

620933 is an equidigital number, since it uses as much as digits as its factorization.

620933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 620933 is about 787.9930202737. The cubic root of 620933 is about 85.3129410229.

Adding to 620933 its reverse (339026), we get a palindrome (959959).

The spelling of 620933 in words is "six hundred twenty thousand, nine hundred thirty-three".