1872625 has 16 divisors (see below), whose sum is σ = 2381184. Its totient is φ = 1470000.

The previous prime is 1872623. The next prime is 1872631. The reversal of 1872625 is 5262781.

It is not a de Polignac number, because 1872625 - 2¹ = 1872623 is a prime.

It is a d-powerful number, because it can be written as 1 + 8 + 7⁷ + 2⁸ + 6³ + 2²⁰ + 5² .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1872623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8770 + ... + 8980.

It is an arithmetic number, because the mean of its divisors is an integer number (148824).

2^1872625 is an apocalyptic number.

It is an amenable number.

1872625 is a deficient number, since it is larger than the sum of its proper divisors (508559).

1872625 is an equidigital number, since it uses as much as digits as its factorization.

1872625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 287 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 1872625 is about 1368.4388915841. The cubic root of 1872625 is about 123.2585172411.

The spelling of 1872625 in words is "one million, eight hundred seventy-two thousand, six hundred twenty-five".