1853125 has 12 divisors (see below), whose sum is σ = 2320164. Its totient is φ = 1480000.

The previous prime is 1853107. The next prime is 1853161. The reversal of 1853125 is 5213581.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1444804 + 408321 = 1202^2 + 639^2 .

It is not a de Polignac number, because 1853125 - 2¹¹ = 1851077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

1853125 is a lucky number.

It is a nialpdrome in base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 1853125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2829 + ... + 3421.

It is an arithmetic number, because the mean of its divisors is an integer number (193347).

2^1853125 is an apocalyptic number.

It is an amenable number.

1853125 is a deficient number, since it is larger than the sum of its proper divisors (467039).

1853125 is an frugal number, since it uses more digits than its factorization.

1853125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618 (or 598 counting only the distinct ones).

The product of its digits is 1200, while the sum is 25.

The square root of 1853125 is about 1361.2953390062. The cubic root of 1853125 is about 122.8291854152.

The spelling of 1853125 in words is "one million, eight hundred fifty-three thousand, one hundred twenty-five".