2555650263 has 4 divisors (see below), whose sum is σ = 3407533688. Its totient is φ = 1703766840.

The previous prime is 2555650243. The next prime is 2555650283. The reversal of 2555650263 is 3620565552.

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

It is an interprime number because it is at equal distance from previous prime (2555650243) and next prime (2555650283).

It is not a de Polignac number, because 2555650263 - 2⁵ = 2555650231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555650243) 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 3 ways as a sum of consecutive naturals, for example, 425941708 + ... + 425941713.

It is an arithmetic number, because the mean of its divisors is an integer number (851883422).

Almost surely, 2^2555650263 is an apocalyptic number.

2555650263 is a deficient number, since it is larger than the sum of its proper divisors (851883425).

2555650263 is an equidigital number, since it uses as much as digits as its factorization.

2555650263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851883424.

The product of its (nonzero) digits is 270000, while the sum is 39.

The square root of 2555650263 is about 50553.4396752585. The cubic root of 2555650263 is about 1367.2055321049.

The spelling of 2555650263 in words is "two billion, five hundred fifty-five million, six hundred fifty thousand, two hundred sixty-three".