2555828251 has 4 divisors (see below), whose sum is σ = 2591825904. Its totient is φ = 2519830600.

The previous prime is 2555828239. The next prime is 2555828269. The reversal of 2555828251 is 1528285552.

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

It is a cyclic number.

It is not a de Polignac number, because 2555828251 - 2¹⁹ = 2555303963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2555828198 and 2555828207.

It is not an unprimeable number, because it can be changed into a prime (2555828291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17998720 + ... + 17998861.

It is an arithmetic number, because the mean of its divisors is an integer number (647956476).

Almost surely, 2^2555828251 is an apocalyptic number.

2555828251 is a deficient number, since it is larger than the sum of its proper divisors (35997653).

2555828251 is an equidigital number, since it uses as much as digits as its factorization.

2555828251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35997652.

The product of its digits is 320000, while the sum is 43.

The square root of 2555828251 is about 50555.2000391651. The cubic root of 2555828251 is about 1367.2372709977.

The spelling of 2555828251 in words is "two billion, five hundred fifty-five million, eight hundred twenty-eight thousand, two hundred fifty-one".