1608825 has 24 divisors (see below), whose sum is σ = 2802400. Its totient is φ = 812160.

The previous prime is 1608823. The next prime is 1608839. The reversal of 1608825 is 5288061.

It is not a de Polignac number, because 1608825 - 2¹ = 1608823 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1608792 and 1608801.

It is not an unprimeable number, because it can be changed into a prime (1608821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 861 + ... + 1989.

2^1608825 is an apocalyptic number.

1608825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1608825 is a deficient number, since it is larger than the sum of its proper divisors (1193575).

1608825 is a wasteful number, since it uses less digits than its factorization.

1608825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161 (or 1156 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 1608825 is about 1268.3946546718. The cubic root of 1608825 is about 117.1753525186.

The spelling of 1608825 in words is "one million, six hundred eight thousand, eight hundred twenty-five".