628262825 has 24 divisors (see below), whose sum is σ = 815620416. Its totient is φ = 479160000.

The previous prime is 628262813. The next prime is 628262879. The reversal of 628262825 is 528262826.

628262825 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 628262825 - 2¹⁰ = 628261801 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 188675 + ... + 191975.

It is an arithmetic number, because the mean of its divisors is an integer number (33984184).

Almost surely, 2^628262825 is an apocalyptic number.

It is an amenable number.

628262825 is a deficient number, since it is larger than the sum of its proper divisors (187357591).

628262825 is a wasteful number, since it uses less digits than its factorization.

628262825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3665 (or 3660 counting only the distinct ones).

The product of its digits is 184320, while the sum is 41.

The square root of 628262825 is about 25065.1715533726. The cubic root of 628262825 is about 856.4732190156.

Subtracting from 628262825 its reverse (528262826), we obtain a palindrome (99999999).

The spelling of 628262825 in words is "six hundred twenty-eight million, two hundred sixty-two thousand, eight hundred twenty-five".