628313254 has 8 divisors (see below), whose sum is σ = 946586160. Its totient is φ = 312784536.

The previous prime is 628313219. The next prime is 628313281. The reversal of 628313254 is 452313826.

628313254 is digitally balanced in base 2, 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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685474 + ... + 686389.

It is an arithmetic number, because the mean of its divisors is an integer number (118323270).

Almost surely, 2^628313254 is an apocalyptic number.

628313254 is a deficient number, since it is larger than the sum of its proper divisors (318272906).

628313254 is a wasteful number, since it uses less digits than its factorization.

628313254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372094.

The product of its digits is 34560, while the sum is 34.

The square root of 628313254 is about 25066.1774907942. The cubic root of 628313254 is about 856.4961340180.

The spelling of 628313254 in words is "six hundred twenty-eight million, three hundred thirteen thousand, two hundred fifty-four".