1028625 has 32 divisors (see below), whose sum is σ = 1852032. Its totient is φ = 504000.

The previous prime is 1028617. The next prime is 1028647. The reversal of 1028625 is 5268201.

1028625 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 1028625 - 2³ = 1028617 is a prime.

It is an Ulam number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1028595 and 1028604.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4770 + ... + 4980.

It is an arithmetic number, because the mean of its divisors is an integer number (57876).

2^1028625 is an apocalyptic number.

1028625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1028625 is a deficient number, since it is larger than the sum of its proper divisors (823407).

1028625 is a wasteful number, since it uses less digits than its factorization.

1028625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1028625 is about 1014.2115164008. The cubic root of 1028625 is about 100.9452044045.

It can be divided in two parts, 1028 and 625, that added together give a triangular number (1653 = T₅₇).

The spelling of 1028625 in words is "one million, twenty-eight thousand, six hundred twenty-five".