2550165005 has 4 divisors (see below), whose sum is σ = 3060198012. Its totient is φ = 2040132000.

The previous prime is 2550164977. The next prime is 2550165011. The reversal of 2550165005 is 5005610552.

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 1954170436 + 595994569 = 44206^2 + 24413^2 .

It is not a de Polignac number, because 2550165005 - 2⁶ = 2550164941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255016496 + ... + 255016505.

It is an arithmetic number, because the mean of its divisors is an integer number (765049503).

Almost surely, 2^2550165005 is an apocalyptic number.

It is an amenable number.

2550165005 is a deficient number, since it is larger than the sum of its proper divisors (510033007).

2550165005 is an equidigital number, since it uses as much as digits as its factorization.

2550165005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510033006.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 2550165005 is about 50499.1584583347. The cubic root of 2550165005 is about 1366.2266753032.

Adding to 2550165005 its reverse (5005610552), we get a palindrome (7555775557).

The spelling of 2550165005 in words is "two billion, five hundred fifty million, one hundred sixty-five thousand, five".