64266457 has 2 divisors, whose sum is σ = 64266458. Its totient is φ = 64266456.

The previous prime is 64266413. The next prime is 64266463. The reversal of 64266457 is 75466246.

64266457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64256256 + 10201 = 8016^2 + 101^2 .

It is a cyclic number.

It is not a de Polignac number, because 64266457 - 2⁷ = 64266329 is a prime.

It is not a weakly prime, because it can be changed into another prime (64266487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32133228 + 32133229.

It is an arithmetic number, because the mean of its divisors is an integer number (32133229).

Almost surely, 2^64266457 is an apocalyptic number.

It is an amenable number.

64266457 is a deficient number, since it is larger than the sum of its proper divisors (1).

64266457 is an equidigital number, since it uses as much as digits as its factorization.

64266457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 40.

The square root of 64266457 is about 8016.6362646686. The cubic root of 64266457 is about 400.5543501349.

The spelling of 64266457 in words is "sixty-four million, two hundred sixty-six thousand, four hundred fifty-seven".