2879257 has 2 divisors, whose sum is σ = 2879258. Its totient is φ = 2879256.

The previous prime is 2879243. The next prime is 2879291. The reversal of 2879257 is 7529782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2277081 + 602176 = 1509^2 + 776^2 .

It is a cyclic number.

It is not a de Polignac number, because 2879257 - 2¹⁹ = 2354969 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2879297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1439628 + 1439629.

It is an arithmetic number, because the mean of its divisors is an integer number (1439629).

2^2879257 is an apocalyptic number.

It is an amenable number.

2879257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2879257 is an equidigital number, since it uses as much as digits as its factorization.

2879257 is an evil number, because the sum of its binary digits is even.

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

The square root of 2879257 is about 1696.8373522527. The cubic root of 2879257 is about 142.2634960730.

It can be divided in two parts, 2879 and 257, that added together give a square (3136 = 56²).

The spelling of 2879257 in words is "two million, eight hundred seventy-nine thousand, two hundred fifty-seven".