2564207 has 2 divisors, whose sum is σ = 2564208. Its totient is φ = 2564206.

The previous prime is 2564203. The next prime is 2564249. The reversal of 2564207 is 7024652.

2564207 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 is a cyclic number.

It is not a de Polignac number, because 2564207 - 2² = 2564203 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2564203) 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, 1282103 + 1282104.

It is an arithmetic number, because the mean of its divisors is an integer number (1282104).

2^2564207 is an apocalyptic number.

2564207 is a deficient number, since it is larger than the sum of its proper divisors (1).

2564207 is an equidigital number, since it uses as much as digits as its factorization.

2564207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 2564207 is about 1601.3141478173. The cubic root of 2564207 is about 136.8729708560.

Adding to 2564207 its reverse (7024652), we get a palindrome (9588859).

The spelling of 2564207 in words is "two million, five hundred sixty-four thousand, two hundred seven".