628626925 has 12 divisors (see below), whose sum is σ = 781862656. Its totient is φ = 501375600.

The previous prime is 628626923. The next prime is 628626931. The reversal of 628626925 is 529626826.

It is not a de Polignac number, because 628626925 - 2¹ = 628626923 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628626923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29709 + ... + 46258.

Almost surely, 2^628626925 is an apocalyptic number.

It is an amenable number.

628626925 is a deficient number, since it is larger than the sum of its proper divisors (153235731).

628626925 is a wasteful number, since it uses less digits than its factorization.

628626925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76308 (or 76303 counting only the distinct ones).

The product of its digits is 622080, while the sum is 46.

The square root of 628626925 is about 25072.4335675658. The cubic root of 628626925 is about 856.6386389985.

Subtracting from 628626925 its reverse (529626826), we obtain a palindrome (99000099).

The spelling of 628626925 in words is "six hundred twenty-eight million, six hundred twenty-six thousand, nine hundred twenty-five".