2556067 has 2 divisors, whose sum is σ = 2556068. Its totient is φ = 2556066.

The previous prime is 2556061. The next prime is 2556079. The reversal of 2556067 is 7606552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2556067 - 2¹⁹ = 2031779 is a prime.

It is a d-powerful number, because it can be written as 2 + 5⁵ + 5⁵ + 6⁶ + 0 + 6⁸ + 7⁷ .

It is not a weakly prime, because it can be changed into another prime (2556061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1278033 + 1278034.

It is an arithmetic number, because the mean of its divisors is an integer number (1278034).

2^2556067 is an apocalyptic number.

2556067 is a deficient number, since it is larger than the sum of its proper divisors (1).

2556067 is an equidigital number, since it uses as much as digits as its factorization.

2556067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 2556067 is about 1598.7704650762. The cubic root of 2556067 is about 136.7279842503.

The spelling of 2556067 in words is "two million, five hundred fifty-six thousand, sixty-seven".