2018025 has 18 divisors (see below), whose sum is σ = 3614910. Its totient is φ = 1076160.

The previous prime is 2018021. The next prime is 2018041. The reversal of 2018025 is 5208102.

It can be written as a sum of positive squares in 3 ways, for example, as 138384 + 1879641 = 372^2 + 1371^2 .

It is not a de Polignac number, because 2018025 - 2² = 2018021 is a prime.

It is a Curzon number.

2018025 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2017989 and 2018007.

It is not an unprimeable number, because it can be changed into a prime (2018021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4260 + ... + 4709.

2^2018025 is an apocalyptic number.

2018025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2018025 is a deficient number, since it is larger than the sum of its proper divisors (1596885).

2018025 is a wasteful number, since it uses less digits than its factorization.

2018025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8985 (or 8977 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 2018025 is about 1420.5720678656. The cubic root of 2018025 is about 126.3694748499.

The spelling of 2018025 in words is "two million, eighteen thousand, twenty-five".