620201 has 2 divisors, whose sum is σ = 620202. Its totient is φ = 620200.

The previous prime is 620197. The next prime is 620227. The reversal of 620201 is 102026.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 570025 + 50176 = 755^2 + 224^2 .

It is a cyclic number.

It is not a de Polignac number, because 620201 - 2² = 620197 is a prime.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 620201.

It is not a weakly prime, because it can be changed into another prime (620251) 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, 310100 + 310101.

It is an arithmetic number, because the mean of its divisors is an integer number (310101).

2⁶²⁰²⁰¹ is an apocalyptic number.

It is an amenable number.

620201 is a deficient number, since it is larger than the sum of its proper divisors (1).

620201 is an equidigital number, since it uses as much as digits as its factorization.

620201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 620201 is about 787.5284121859. The cubic root of 620201 is about 85.2794035190.

Adding to 620201 its reverse (102026), we get a palindrome (722227).

The spelling of 620201 in words is "six hundred twenty thousand, two hundred one".