2555504251 has 4 divisors (see below), whose sum is σ = 2637939904. Its totient is φ = 2473068600.

The previous prime is 2555504239. The next prime is 2555504267. The reversal of 2555504251 is 1524055552.

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 2555504251 - 2¹³ = 2555496059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2555504051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41217780 + ... + 41217841.

It is an arithmetic number, because the mean of its divisors is an integer number (659484976).

Almost surely, 2^2555504251 is an apocalyptic number.

2555504251 is a deficient number, since it is larger than the sum of its proper divisors (82435653).

2555504251 is an equidigital number, since it uses as much as digits as its factorization.

2555504251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82435652.

The product of its (nonzero) digits is 50000, while the sum is 34.

The square root of 2555504251 is about 50551.9955194649. The cubic root of 2555504251 is about 1367.1794940852.

The spelling of 2555504251 in words is "two billion, five hundred fifty-five million, five hundred four thousand, two hundred fifty-one".