1585625 has 20 divisors (see below), whose sum is σ = 2061840. Its totient is φ = 1218000.

The previous prime is 1585603. The next prime is 1585631. The reversal of 1585625 is 5265851.

It is not a de Polignac number, because 1585625 - 2¹⁴ = 1569241 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1585591 and 1585600.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26846 + ... + 26904.

It is an arithmetic number, because the mean of its divisors is an integer number (103092).

2^1585625 is an apocalyptic number.

It is an amenable number.

1585625 is a deficient number, since it is larger than the sum of its proper divisors (476215).

1585625 is an frugal number, since it uses more digits than its factorization.

1585625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 107 counting only the distinct ones).

The product of its digits is 12000, while the sum is 32.

The square root of 1585625 is about 1259.2160259463. The cubic root of 1585625 is about 116.6093823083.

The spelling of 1585625 in words is "one million, five hundred eighty-five thousand, six hundred twenty-five".