1626625 has 48 divisors (see below), whose sum is σ = 2740608. Its totient is φ = 936000.

The previous prime is 1626619. The next prime is 1626637. The reversal of 1626625 is 5266261.

It is not a de Polignac number, because 1626625 - 2³ = 1626617 is a prime.

Its product of digits (4320) is a multiple of the sum of its prime divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 1626593 and 1626602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 125119 + ... + 125131.

It is an arithmetic number, because the mean of its divisors is an integer number (57096).

2^1626625 is an apocalyptic number.

It is an amenable number.

1626625 is a deficient number, since it is larger than the sum of its proper divisors (1113983).

1626625 is a wasteful number, since it uses less digits than its factorization.

1626625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59 (or 36 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 1626625 is about 1275.3920965727. The cubic root of 1626625 is about 117.6059102418.

It can be divided in two parts, 1 and 626625, that added together give a palindrome (626626).

The spelling of 1626625 in words is "one million, six hundred twenty-six thousand, six hundred twenty-five".