620348585 has 8 divisors (see below), whose sum is σ = 744588936. Its totient is φ = 496165120.

The previous prime is 620348579. The next prime is 620348591. The reversal of 620348585 is 585843026.

620348585 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (620348579) and next prime (620348591).

It can be written as a sum of positive squares in 4 ways, for example, as 152967424 + 467381161 = 12368^2 + 21619^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 620348585 - 2¹⁶ = 620283049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15377 + ... + 38433.

It is an arithmetic number, because the mean of its divisors is an integer number (93073617).

Almost surely, 2^620348585 is an apocalyptic number.

It is an amenable number.

620348585 is a deficient number, since it is larger than the sum of its proper divisors (124240351).

620348585 is a wasteful number, since it uses less digits than its factorization.

620348585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28443.

The product of its (nonzero) digits is 230400, while the sum is 41.

The square root of 620348585 is about 24906.7979676232. The cubic root of 620348585 is about 852.8616743511.

The spelling of 620348585 in words is "six hundred twenty million, three hundred forty-eight thousand, five hundred eighty-five".