620062831 has 2 divisors, whose sum is σ = 620062832. Its totient is φ = 620062830.

The previous prime is 620062799. The next prime is 620062843. The reversal of 620062831 is 138260026.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 620062831 - 2⁵ = 620062799 is a prime.

It is a super-2 number, since 2×620062831² = 768955828775469122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 620062831.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620062931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310031415 + 310031416.

It is an arithmetic number, because the mean of its divisors is an integer number (310031416).

Almost surely, 2^620062831 is an apocalyptic number.

620062831 is a deficient number, since it is larger than the sum of its proper divisors (1).

620062831 is an equidigital number, since it uses as much as digits as its factorization.

620062831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 620062831 is about 24901.0608408558. The cubic root of 620062831 is about 852.7307017170.

The spelling of 620062831 in words is "six hundred twenty million, sixty-two thousand, eight hundred thirty-one".