621825323 has 8 divisors (see below), whose sum is σ = 712768992. Its totient is φ = 531409536.

The previous prime is 621825307. The next prime is 621825343. The reversal of 621825323 is 323528126.

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

It is not a de Polignac number, because 621825323 - 2⁴ = 621825307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 621825323.

It is not an unprimeable number, because it can be changed into a prime (621825343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129440 + ... + 134157.

It is an arithmetic number, because the mean of its divisors is an integer number (89096124).

Almost surely, 2^621825323 is an apocalyptic number.

621825323 is a deficient number, since it is larger than the sum of its proper divisors (90943669).

621825323 is a wasteful number, since it uses less digits than its factorization.

621825323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263941.

The product of its digits is 17280, while the sum is 32.

The square root of 621825323 is about 24936.4256259794. The cubic root of 621825323 is about 853.5378829744.

The spelling of 621825323 in words is "six hundred twenty-one million, eight hundred twenty-five thousand, three hundred twenty-three".