620164283 has 2 divisors, whose sum is σ = 620164284. Its totient is φ = 620164282.

The previous prime is 620164271. The next prime is 620164291. The reversal of 620164283 is 382461026.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 620164283 - 2¹⁰ = 620163259 is a prime.

It is not a weakly prime, because it can be changed into another prime (620164213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310082141 + 310082142.

It is an arithmetic number, because the mean of its divisors is an integer number (310082142).

Almost surely, 2^620164283 is an apocalyptic number.

620164283 is a deficient number, since it is larger than the sum of its proper divisors (1).

620164283 is an equidigital number, since it uses as much as digits as its factorization.

620164283 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 620164283 is about 24903.0978595033. The cubic root of 620164283 is about 852.7772058846. Note that the first 3 decimals are identical.

The spelling of 620164283 in words is "six hundred twenty million, one hundred sixty-four thousand, two hundred eighty-three".