5255500251 has 8 divisors (see below), whose sum is σ = 7042547200. Its totient is φ = 3486060072.

The previous prime is 5255500247. The next prime is 5255500267. The reversal of 5255500251 is 1520055525.

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

It is not a de Polignac number, because 5255500251 - 2² = 5255500247 is a prime.

It is a super-2 number, since 2×5255500251² = 55240565776522126002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5255500451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4400995 + ... + 4402188.

It is an arithmetic number, because the mean of its divisors is an integer number (880318400).

Almost surely, 2^5255500251 is an apocalyptic number.

5255500251 is a deficient number, since it is larger than the sum of its proper divisors (1787046949).

5255500251 is a wasteful number, since it uses less digits than its factorization.

5255500251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8803385.

The product of its (nonzero) digits is 12500, while the sum is 30.

The square root of 5255500251 is about 72494.8291328423. The cubic root of 5255500251 is about 1738.6200635901.

Adding to 5255500251 its reverse (1520055525), we get a palindrome (6775555776).

The spelling of 5255500251 in words is "five billion, two hundred fifty-five million, five hundred thousand, two hundred fifty-one".