621204485 has 8 divisors (see below), whose sum is σ = 813213216. Its totient is φ = 451785040.

The previous prime is 621204481. The next prime is 621204491. The reversal of 621204485 is 584402126.

621204485 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 621204485 - 2² = 621204481 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 (621204481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5647259 + ... + 5647368.

It is an arithmetic number, because the mean of its divisors is an integer number (101651652).

Almost surely, 2^621204485 is an apocalyptic number.

It is an amenable number.

621204485 is a deficient number, since it is larger than the sum of its proper divisors (192008731).

621204485 is a wasteful number, since it uses less digits than its factorization.

621204485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11294643.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 621204485 is about 24923.9741012544. The cubic root of 621204485 is about 853.2537275017.

The spelling of 621204485 in words is "six hundred twenty-one million, two hundred four thousand, four hundred eighty-five".