628325134 has 16 divisors (see below), whose sum is σ = 1005792768. Its totient is φ = 293352192.

The previous prime is 628325119. The next prime is 628325171. The reversal of 628325134 is 431523826.

It is a super-2 number, since 2×628325134² = 789584948032235912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 628325134.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68439 + ... + 77074.

It is an arithmetic number, because the mean of its divisors is an integer number (62862048).

Almost surely, 2^628325134 is an apocalyptic number.

628325134 is a deficient number, since it is larger than the sum of its proper divisors (377467634).

628325134 is a wasteful number, since it uses less digits than its factorization.

628325134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145659.

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

The square root of 628325134 is about 25066.4144623837. The cubic root of 628325134 is about 856.5015321268.

The spelling of 628325134 in words is "six hundred twenty-eight million, three hundred twenty-five thousand, one hundred thirty-four".