621316275 has 12 divisors (see below), whose sum is σ = 1027243032. Its totient is φ = 331368640.

The previous prime is 621316253. The next prime is 621316279. The reversal of 621316275 is 572613126.

It is not a de Polignac number, because 621316275 - 2⁶ = 621316211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (621316279) 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 11 ways as a sum of consecutive naturals, for example, 4142034 + ... + 4142183.

It is an arithmetic number, because the mean of its divisors is an integer number (85603586).

Almost surely, 2^621316275 is an apocalyptic number.

621316275 is a deficient number, since it is larger than the sum of its proper divisors (405926757).

621316275 is a wasteful number, since it uses less digits than its factorization.

621316275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8284230 (or 8284225 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 621316275 is about 24926.2166202575. The cubic root of 621316275 is about 853.3049073817.

The spelling of 621316275 in words is "six hundred twenty-one million, three hundred sixteen thousand, two hundred seventy-five".