2774257 has 2 divisors, whose sum is σ = 2774258. Its totient is φ = 2774256.

The previous prime is 2774251. The next prime is 2774267. The reversal of 2774257 is 7524772.

2774257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1766241 + 1008016 = 1329^2 + 1004^2 .

It is a cyclic number.

It is not a de Polignac number, because 2774257 - 2⁷ = 2774129 is a prime.

2774257 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2774251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1387128 + 1387129.

It is an arithmetic number, because the mean of its divisors is an integer number (1387129).

2^2774257 is an apocalyptic number.

It is an amenable number.

2774257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2774257 is an equidigital number, since it uses as much as digits as its factorization.

2774257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27440, while the sum is 34.

The square root of 2774257 is about 1665.6100984324. The cubic root of 2774257 is about 140.5126949940.

The spelling of 2774257 in words is "two million, seven hundred seventy-four thousand, two hundred fifty-seven".