621480575 has 24 divisors (see below), whose sum is σ = 780545280. Its totient is φ = 490838400.

The previous prime is 621480569. The next prime is 621480589. The reversal of 621480575 is 575084126.

621480575 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 621480575 - 2¹⁴ = 621464191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 749261 + ... + 750089.

It is an arithmetic number, because the mean of its divisors is an integer number (32522720).

Almost surely, 2^621480575 is an apocalyptic number.

621480575 is a deficient number, since it is larger than the sum of its proper divisors (159064705).

621480575 is a wasteful number, since it uses less digits than its factorization.

621480575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187 (or 1182 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 621480575 is about 24929.5121292014. The cubic root of 621480575 is about 853.3801163350.

The spelling of 621480575 in words is "six hundred twenty-one million, four hundred eighty thousand, five hundred seventy-five".