620556041 has 12 divisors (see below), whose sum is σ = 734109840. Its totient is φ = 522887400.

The previous prime is 620556037. The next prime is 620556061. The reversal of 620556041 is 140655026.

It is not a de Polignac number, because 620556041 - 2² = 620556037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 620555995 and 620556013.

It is not an unprimeable number, because it can be changed into a prime (620556011) 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 in 11 ways as a sum of consecutive naturals, for example, 104435 + ... + 110216.

It is an arithmetic number, because the mean of its divisors is an integer number (61175820).

Almost surely, 2^620556041 is an apocalyptic number.

It is an amenable number.

620556041 is a deficient number, since it is larger than the sum of its proper divisors (113553799).

620556041 is a wasteful number, since it uses less digits than its factorization.

620556041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214724 (or 214717 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 620556041 is about 24910.9622656372. The cubic root of 620556041 is about 852.9567346427.

The spelling of 620556041 in words is "six hundred twenty million, five hundred fifty-six thousand, forty-one".