620597903 has 8 divisors (see below), whose sum is σ = 657362160. Its totient is φ = 583862400.

The previous prime is 620597899. The next prime is 620597909. The reversal of 620597903 is 309795026.

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

It is a cyclic number.

It is not a de Polignac number, because 620597903 - 2² = 620597899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620597909) 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 7 ways as a sum of consecutive naturals, for example, 50588 + ... + 61646.

It is an arithmetic number, because the mean of its divisors is an integer number (82170270).

Almost surely, 2^620597903 is an apocalyptic number.

620597903 is a deficient number, since it is larger than the sum of its proper divisors (36764257).

620597903 is a wasteful number, since it uses less digits than its factorization.

620597903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14377.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 620597903 is about 24911.8024839633. The cubic root of 620597903 is about 852.9759140397.

The spelling of 620597903 in words is "six hundred twenty million, five hundred ninety-seven thousand, nine hundred three".