2851279 has 4 divisors (see below), whose sum is σ = 2863960. Its totient is φ = 2838600.

The previous prime is 2851267. The next prime is 2851313. The reversal of 2851279 is 9721582.

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 2851279 - 2⁷ = 2851151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2851249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5997 + ... + 6454.

It is an arithmetic number, because the mean of its divisors is an integer number (715990).

2^2851279 is an apocalyptic number.

2851279 is a deficient number, since it is larger than the sum of its proper divisors (12681).

2851279 is a wasteful number, since it uses less digits than its factorization.

2851279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12680.

The product of its digits is 10080, while the sum is 34.

The square root of 2851279 is about 1688.5730662308. The cubic root of 2851279 is about 141.8011996904.

The spelling of 2851279 in words is "two million, eight hundred fifty-one thousand, two hundred seventy-nine".