1606925 has 24 divisors (see below), whose sum is σ = 2232000. Its totient is φ = 1140480.

The previous prime is 1606921. The next prime is 1606951. The reversal of 1606925 is 5296061.

It is not a de Polignac number, because 1606925 - 2² = 1606921 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606921) 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, 7976 + ... + 8174.

It is an arithmetic number, because the mean of its divisors is an integer number (93000).

2^1606925 is an apocalyptic number.

It is an amenable number.

1606925 is a deficient number, since it is larger than the sum of its proper divisors (625075).

1606925 is a wasteful number, since it uses less digits than its factorization.

1606925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 1606925 is about 1267.6454551648. The cubic root of 1606925 is about 117.1292068596.

The spelling of 1606925 in words is "one million, six hundred six thousand, nine hundred twenty-five".