2582257 has 2 divisors, whose sum is σ = 2582258. Its totient is φ = 2582256.

The previous prime is 2582243. The next prime is 2582311. The reversal of 2582257 is 7522852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2446096 + 136161 = 1564^2 + 369^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2582257 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2582357) 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 as a sum of consecutive naturals, namely, 1291128 + 1291129.

It is an arithmetic number, because the mean of its divisors is an integer number (1291129).

2^2582257 is an apocalyptic number.

It is an amenable number.

2582257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2582257 is an equidigital number, since it uses as much as digits as its factorization.

2582257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11200, while the sum is 31.

The square root of 2582257 is about 1606.9402602462. The cubic root of 2582257 is about 137.1933795648.

The spelling of 2582257 in words is "two million, five hundred eighty-two thousand, two hundred fifty-seven".