620297 has 2 divisors, whose sum is σ = 620298. Its totient is φ = 620296.

The previous prime is 620261. The next prime is 620303. The reversal of 620297 is 792026.

620297 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 can be written as a sum of positive squares in only one way, i.e., 606841 + 13456 = 779^2 + 116^2 .

It is a cyclic number.

It is not a de Polignac number, because 620297 - 2⁶ = 620233 is a prime.

It is a Chen prime.

It is a plaindrome in base 9.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 620297.

It is not a weakly prime, because it can be changed into another prime (620227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310148 + 310149.

It is an arithmetic number, because the mean of its divisors is an integer number (310149).

2⁶²⁰²⁹⁷ is an apocalyptic number.

It is an amenable number.

620297 is a deficient number, since it is larger than the sum of its proper divisors (1).

620297 is an equidigital number, since it uses as much as digits as its factorization.

620297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 620297 is about 787.5893600094. The cubic root of 620297 is about 85.2838033831.

The spelling of 620297 in words is "six hundred twenty thousand, two hundred ninety-seven".