1814525 has 12 divisors (see below), whose sum is σ = 2268084. Its totient is φ = 1440000.

The previous prime is 1814509. The next prime is 1814531. The reversal of 1814525 is 5254181.

It can be written as a sum of positive squares in 6 ways, for example, as 34969 + 1779556 = 187^2 + 1334^2 .

It is not a de Polignac number, because 1814525 - 2⁴ = 1814509 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1814494 and 1814503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4325 + ... + 4725.

It is an arithmetic number, because the mean of its divisors is an integer number (189007).

2^1814525 is an apocalyptic number.

It is an amenable number.

1814525 is a deficient number, since it is larger than the sum of its proper divisors (453559).

1814525 is a wasteful number, since it uses less digits than its factorization.

1814525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592 (or 587 counting only the distinct ones).

The product of its digits is 1600, while the sum is 26.

The square root of 1814525 is about 1347.0430579607. The cubic root of 1814525 is about 121.9703636693.

It can be divided in two parts, 181 and 4525, that multiplied together give a square (819025 = 905²).

The spelling of 1814525 in words is "one million, eight hundred fourteen thousand, five hundred twenty-five".