2550245 has 4 divisors (see below), whose sum is σ = 3060300. Its totient is φ = 2040192.

The previous prime is 2550209. The next prime is 2550253. The reversal of 2550245 is 5420552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1069156 + 1481089 = 1034^2 + 1217^2 .

It is a cyclic number.

It is not a de Polignac number, because 2550245 - 2⁶ = 2550181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2550245.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 255020 + ... + 255029.

It is an arithmetic number, because the mean of its divisors is an integer number (765075).

2^2550245 is an apocalyptic number.

It is an amenable number.

2550245 is a deficient number, since it is larger than the sum of its proper divisors (510055).

2550245 is an equidigital number, since it uses as much as digits as its factorization.

2550245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510054.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 2550245 is about 1596.9486529003. The cubic root of 2550245 is about 136.6240960674.

Adding to 2550245 its reverse (5420552), we get a palindrome (7970797).

The spelling of 2550245 in words is "two million, five hundred fifty thousand, two hundred forty-five".