628014255 has 64 divisors (see below), whose sum is σ = 1176933888. Its totient is φ = 282562560.

The previous prime is 628014253. The next prime is 628014293. The reversal of 628014255 is 552410826.

It is not a de Polignac number, because 628014255 - 2¹ = 628014253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628014251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 203232 + ... + 206298.

It is an arithmetic number, because the mean of its divisors is an integer number (18389592).

Almost surely, 2^628014255 is an apocalyptic number.

628014255 is a deficient number, since it is larger than the sum of its proper divisors (548919633).

628014255 is a wasteful number, since it uses less digits than its factorization.

628014255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3176.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 628014255 is about 25060.2125888828. The cubic root of 628014255 is about 856.3602505664.

The spelling of 628014255 in words is "six hundred twenty-eight million, fourteen thousand, two hundred fifty-five".