620214197 has 2 divisors, whose sum is σ = 620214198. Its totient is φ = 620214196.

The previous prime is 620214163. The next prime is 620214277. The reversal of 620214197 is 791412026.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 594091876 + 26122321 = 24374^2 + 5111^2 .

It is a cyclic number.

It is not a de Polignac number, because 620214197 - 2¹⁴ = 620197813 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620214157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310107098 + 310107099.

It is an arithmetic number, because the mean of its divisors is an integer number (310107099).

Almost surely, 2^620214197 is an apocalyptic number.

It is an amenable number.

620214197 is a deficient number, since it is larger than the sum of its proper divisors (1).

620214197 is an equidigital number, since it uses as much as digits as its factorization.

620214197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 620214197 is about 24904.1000038146. The cubic root of 620214197 is about 852.8000838976.

The spelling of 620214197 in words is "six hundred twenty million, two hundred fourteen thousand, one hundred ninety-seven".