2872018125 has 30 divisors (see below), whose sum is σ = 5183939046. Its totient is φ = 1531740000.

The previous prime is 2872018111. The next prime is 2872018129. The reversal of 2872018125 is 5218102782.

It can be written as a sum of positive squares in 5 ways, for example, as 704743209 + 2167274916 = 26547^2 + 46554^2 .

It is not a de Polignac number, because 2872018125 - 2⁷ = 2872017997 is a prime.

It is a super-2 number, since 2×2872018125² = 16496976220657031250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2872018125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2872018129) 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 29 ways as a sum of consecutive naturals, for example, 249666 + ... + 260915.

Almost surely, 2^2872018125 is an apocalyptic number.

2872018125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2872018125 is a deficient number, since it is larger than the sum of its proper divisors (2311920921).

2872018125 is an equidigital number, since it uses as much as digits as its factorization.

2872018125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510607 (or 510589 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 2872018125 is about 53591.2131323783. The cubic root of 2872018125 is about 1421.4417224298.

The spelling of 2872018125 in words is "two billion, eight hundred seventy-two million, eighteen thousand, one hundred twenty-five".