2550003 has 8 divisors (see below), whose sum is σ = 3492048. Its totient is φ = 1653984.

The previous prime is 2550001. The next prime is 2550013. The reversal of 2550003 is 3000552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2550003 - 2¹ = 2550001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2550001) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11376 + ... + 11597.

It is an arithmetic number, because the mean of its divisors is an integer number (436506).

2^2550003 is an apocalyptic number.

2550003 is a deficient number, since it is larger than the sum of its proper divisors (942045).

2550003 is a wasteful number, since it uses less digits than its factorization.

2550003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23013.

The product of its (nonzero) digits is 150, while the sum is 15.

The square root of 2550003 is about 1596.8728816033. The cubic root of 2550003 is about 136.6197743811.

Adding to 2550003 its reverse (3000552), we get a palindrome (5550555).

The spelling of 2550003 in words is "two million, five hundred fifty thousand, three".