628271325 has 108 divisors (see below), whose sum is σ = 1265793984. Its totient is φ = 297528000.

The previous prime is 628271311. The next prime is 628271377. The reversal of 628271325 is 523172826.

628271325 is a `hidden beast` number, since 62 + 8 + 271 + 325 = 666.

It is not a de Polignac number, because 628271325 - 2⁹ = 628270813 is a prime.

Its product of digits (40320) is a multiple of the sum of its prime factors (576).

It is a self number, because there is not a number n which added to its sum of digits gives 628271325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 1279330 + ... + 1279820.

Almost surely, 2^628271325 is an apocalyptic number.

It is an amenable number.

628271325 is an abundant number, since it is smaller than the sum of its proper divisors (637522659).

628271325 is a wasteful number, since it uses less digits than its factorization.

628271325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576 (or 557 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 628271325 is about 25065.3411107848. The cubic root of 628271325 is about 856.4770815124.

It can be divided in two parts, 628 and 271325, that added together give a triangular number (271953 = T₇₃₇).

The spelling of 628271325 in words is "six hundred twenty-eight million, two hundred seventy-one thousand, three hundred twenty-five".