628275 has 12 divisors (see below), whose sum is σ = 1038872. Its totient is φ = 335040.

The previous prime is 628267. The next prime is 628289. The reversal of 628275 is 572826.

628275 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 628275 - 2³ = 628267 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 628275.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4114 + ... + 4263.

2⁶²⁸²⁷⁵ is an apocalyptic number.

628275 is a deficient number, since it is larger than the sum of its proper divisors (410597).

628275 is a wasteful number, since it uses less digits than its factorization.

628275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8390 (or 8385 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 628275 is about 792.6380006030. The cubic root of 628275 is about 85.6478751463.

It can be divided in two parts, 628 and 275, that added together give a triangular number (903 = T₄₂).

The spelling of 628275 in words is "six hundred twenty-eight thousand, two hundred seventy-five".