2550205 has 16 divisors (see below), whose sum is σ = 3571200. Its totient is φ = 1747536.

The previous prime is 2550203. The next prime is 2550209. The reversal of 2550205 is 5020552.

It is not a de Polignac number, because 2550205 - 2¹ = 2550203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2550203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 972 + ... + 2458.

It is an arithmetic number, because the mean of its divisors is an integer number (223200).

2^2550205 is an apocalyptic number.

It is an amenable number.

2550205 is a deficient number, since it is larger than the sum of its proper divisors (1020995).

2550205 is an equidigital number, since it uses as much as digits as its factorization.

2550205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513 (or 1499 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 2550205 is about 1596.9361289670. The cubic root of 2550205 is about 136.6233817580.

Adding to 2550205 its reverse (5020552), we get a palindrome (7570757).

It can be divided in two parts, 255020 and 5, that added together give a square (255025 = 505²).

The spelling of 2550205 in words is "two million, five hundred fifty thousand, two hundred five".