1955825 has 6 divisors (see below), whose sum is σ = 2425254. Its totient is φ = 1564640.

The previous prime is 1955819. The next prime is 1955827. The reversal of 1955825 is 5285591.

It can be written as a sum of positive squares in 3 ways, for example, as 15376 + 1940449 = 124^2 + 1393^2 .

It is not a de Polignac number, because 1955825 - 2⁴ = 1955809 is a prime.

It is a d-powerful number, because it can be written as 1 + 9 + 5 + 5³ + 8³ + 2¹¹ + 5⁹ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1955827) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39092 + ... + 39141.

It is an arithmetic number, because the mean of its divisors is an integer number (404209).

2^1955825 is an apocalyptic number.

It is an amenable number.

1955825 is a deficient number, since it is larger than the sum of its proper divisors (469429).

1955825 is an equidigital number, since it uses as much as digits as its factorization.

1955825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78243 (or 78238 counting only the distinct ones).

The product of its digits is 18000, while the sum is 35.

The square root of 1955825 is about 1398.5081336910. The cubic root of 1955825 is about 125.0575734783.

The spelling of 1955825 in words is "one million, nine hundred fifty-five thousand, eight hundred twenty-five".