2555545251 has 8 divisors (see below), whose sum is σ = 3894164224. Its totient is φ = 1460311560.

The previous prime is 2555545243. The next prime is 2555545273. The reversal of 2555545251 is 1525455552.

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

It is not a de Polignac number, because 2555545251 - 2³ = 2555545243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2555545151) 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, 60846295 + ... + 60846336.

It is an arithmetic number, because the mean of its divisors is an integer number (486770528).

Almost surely, 2^2555545251 is an apocalyptic number.

2555545251 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2555545251 is a deficient number, since it is larger than the sum of its proper divisors (1338618973).

2555545251 is a wasteful number, since it uses less digits than its factorization.

2555545251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121692641.

The product of its digits is 250000, while the sum is 39.

The square root of 2555545251 is about 50552.4010409001. The cubic root of 2555545251 is about 1367.1868056310.

The spelling of 2555545251 in words is "two billion, five hundred fifty-five million, five hundred forty-five thousand, two hundred fifty-one".