2550225 has 24 divisors (see below), whose sum is σ = 4335040. Its totient is φ = 1321920.

The previous prime is 2550209. The next prime is 2550253. The reversal of 2550225 is 5220552.

It is not a de Polignac number, because 2550225 - 2⁴ = 2550209 is a prime.

2550225 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2316 + ... + 3234.

2^2550225 is an apocalyptic number.

2550225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2550225 is a deficient number, since it is larger than the sum of its proper divisors (1784815).

2550225 is a wasteful number, since it uses less digits than its factorization.

2550225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969 (or 964 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 2550225 is about 1596.9423909459. The cubic root of 2550225 is about 136.6237389136.

Adding to 2550225 its reverse (5220552), we get a palindrome (7770777).

It can be divided in two parts, 2550 and 225, that added together give a triangular number (2775 = T₇₄).

The spelling of 2550225 in words is "two million, five hundred fifty thousand, two hundred twenty-five".