2551255231 has 8 divisors (see below), whose sum is σ = 2983528064. Its totient is φ = 2135934360.

The previous prime is 2551255219. The next prime is 2551255241. The reversal of 2551255231 is 1325521552.

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

It is not a de Polignac number, because 2551255231 - 2¹¹ = 2551253183 is a prime.

It is a super-2 number, since 2×2551255231² = 13017806507409726722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2551255193 and 2551255202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551255211) 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, 4237665 + ... + 4238266.

It is an arithmetic number, because the mean of its divisors is an integer number (372941008).

Almost surely, 2^2551255231 is an apocalyptic number.

2551255231 is a deficient number, since it is larger than the sum of its proper divisors (432272833).

2551255231 is an equidigital number, since it uses as much as digits as its factorization.

2551255231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8475981.

The product of its digits is 15000, while the sum is 31.

The square root of 2551255231 is about 50509.9518016004. The cubic root of 2551255231 is about 1366.4213403061.

Adding to 2551255231 its reverse (1325521552), we get a palindrome (3876776783).

The spelling of 2551255231 in words is "two billion, five hundred fifty-one million, two hundred fifty-five thousand, two hundred thirty-one".