620248589 has 4 divisors (see below), whose sum is σ = 640256640. Its totient is φ = 600240540.

The previous prime is 620248571. The next prime is 620248627. The reversal of 620248589 is 985842026.

620248589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 620248589 - 2⁸ = 620248333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620248529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10003979 + ... + 10004040.

It is an arithmetic number, because the mean of its divisors is an integer number (160064160).

Almost surely, 2^620248589 is an apocalyptic number.

It is an amenable number.

620248589 is a deficient number, since it is larger than the sum of its proper divisors (20008051).

620248589 is a wasteful number, since it uses less digits than its factorization.

620248589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20008050.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 620248589 is about 24904.7904829573. The cubic root of 620248589 is about 852.8158467090.

The spelling of 620248589 in words is "six hundred twenty million, two hundred forty-eight thousand, five hundred eighty-nine".