1606325 has 24 divisors (see below), whose sum is σ = 2327232. Its totient is φ = 1077120.

The previous prime is 1606321. The next prime is 1606331. The reversal of 1606325 is 5236061.

It is not a de Polignac number, because 1606325 - 2² = 1606321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1606325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606321) 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, 11657 + ... + 11793.

It is an arithmetic number, because the mean of its divisors is an integer number (96968).

2^1606325 is an apocalyptic number.

It is an amenable number.

1606325 is a deficient number, since it is larger than the sum of its proper divisors (720907).

1606325 is a wasteful number, since it uses less digits than its factorization.

1606325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1606325 is about 1267.4087738374. The cubic root of 1606325 is about 117.1146269896.

The spelling of 1606325 in words is "one million, six hundred six thousand, three hundred twenty-five".