2257879 has 4 divisors (see below), whose sum is σ = 2431576. Its totient is φ = 2084184.

The previous prime is 2257877. The next prime is 2257883. The reversal of 2257879 is 9787522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9787522 = 2 ⋅4893761.

It is a cyclic number.

It is not a de Polignac number, because 2257879 - 2¹ = 2257877 is a prime.

It is a super-3 number, since 3×2257879³ = 34532120497333087317, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257873) 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, 86829 + ... + 86854.

It is an arithmetic number, because the mean of its divisors is an integer number (607894).

2^2257879 is an apocalyptic number.

2257879 is a deficient number, since it is larger than the sum of its proper divisors (173697).

2257879 is a wasteful number, since it uses less digits than its factorization.

2257879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173696.

The product of its digits is 70560, while the sum is 40.

The square root of 2257879 is about 1502.6240381413. The cubic root of 2257879 is about 131.1898457526.

It can be divided in two parts, 2257 and 879, that added together give a square (3136 = 56²).

The spelling of 2257879 in words is "two million, two hundred fifty-seven thousand, eight hundred seventy-nine".