620676841 has 2 divisors, whose sum is σ = 620676842. Its totient is φ = 620676840.

The previous prime is 620676803. The next prime is 620676853. The reversal of 620676841 is 148676026.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 316697616 + 303979225 = 17796^2 + 17435^2 .

It is a cyclic number.

It is not a de Polignac number, because 620676841 - 2¹⁷ = 620545769 is a prime.

It is equal to p_32346787 and since 620676841 and 32346787 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 620676794 and 620676803.

It is not a weakly prime, because it can be changed into another prime (620674841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310338420 + 310338421.

It is an arithmetic number, because the mean of its divisors is an integer number (310338421).

Almost surely, 2^620676841 is an apocalyptic number.

It is an amenable number.

620676841 is a deficient number, since it is larger than the sum of its proper divisors (1).

620676841 is an equidigital number, since it uses as much as digits as its factorization.

620676841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 620676841 is about 24913.3867830129. The cubic root of 620676841 is about 853.0120777445.

The spelling of 620676841 in words is "six hundred twenty million, six hundred seventy-six thousand, eight hundred forty-one".