628525 has 12 divisors (see below), whose sum is σ = 805504. Its totient is φ = 486000.

The previous prime is 628499. The next prime is 628547. The reversal of 628525 is 525826.

It is not a de Polignac number, because 628525 - 2⁵ = 628493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 628493 and 628502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 370 + ... + 1180.

2⁶²⁸⁵²⁵ is an apocalyptic number.

It is an amenable number.

628525 is a deficient number, since it is larger than the sum of its proper divisors (176979).

628525 is a wasteful number, since it uses less digits than its factorization.

628525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852 (or 847 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 628525 is about 792.7956861638. The cubic root of 628525 is about 85.6592338292.

The spelling of 628525 in words is "six hundred twenty-eight thousand, five hundred twenty-five".