2500550851 has 4 divisors (see below), whose sum is σ = 2500925752. Its totient is φ = 2500175952.

The previous prime is 2500550849. The next prime is 2500550873. The reversal of 2500550851 is 1580550052.

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 2500550851 - 2¹ = 2500550849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2500550821) 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 3 ways as a sum of consecutive naturals, for example, 177261 + ... + 190846.

It is an arithmetic number, because the mean of its divisors is an integer number (625231438).

Almost surely, 2^2500550851 is an apocalyptic number.

2500550851 is a deficient number, since it is larger than the sum of its proper divisors (374901).

2500550851 is an equidigital number, since it uses as much as digits as its factorization.

2500550851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374900.

The product of its (nonzero) digits is 10000, while the sum is 31.

The square root of 2500550851 is about 50005.5082065966. The cubic root of 2500550851 is about 1357.3084836209.

The spelling of 2500550851 in words is "two billion, five hundred million, five hundred fifty thousand, eight hundred fifty-one".