2025225 has 18 divisors (see below), whose sum is σ = 3627806. Its totient is φ = 1080000.

The previous prime is 2025217. The next prime is 2025241. The reversal of 2025225 is 5225202.

It can be written as a sum of positive squares in 3 ways, for example, as 11664 + 2013561 = 108^2 + 1419^2 .

It is not a de Polignac number, because 2025225 - 2³ = 2025217 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

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 = 2025198 and 2025207.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4276 + ... + 4725.

2^2025225 is an apocalyptic number.

2025225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2025225 is a deficient number, since it is larger than the sum of its proper divisors (1602581).

2025225 is a wasteful number, since it uses less digits than its factorization.

2025225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9017 (or 9009 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 2025225 is about 1423.1040018214. The cubic root of 2025225 is about 126.5195853588.

It can be divided in two parts, 2025 and 225, that multiplied together give a square (455625 = 675²).

The spelling of 2025225 in words is "two million, twenty-five thousand, two hundred twenty-five".