2878503251 has 4 divisors (see below), whose sum is σ = 3099926592. Its totient is φ = 2657079912.

The previous prime is 2878503247. The next prime is 2878503253. The reversal of 2878503251 is 1523058782.

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 2878503251 - 2² = 2878503247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2878503199 and 2878503208.

It is not an unprimeable number, because it can be changed into a prime (2878503253) 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, 110711651 + ... + 110711676.

It is an arithmetic number, because the mean of its divisors is an integer number (774981648).

Almost surely, 2^2878503251 is an apocalyptic number.

2878503251 is a deficient number, since it is larger than the sum of its proper divisors (221423341).

2878503251 is a wasteful number, since it uses less digits than its factorization.

2878503251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221423340.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 2878503251 is about 53651.6845122313. The cubic root of 2878503251 is about 1422.5108079522.

The spelling of 2878503251 in words is "two billion, eight hundred seventy-eight million, five hundred three thousand, two hundred fifty-one".