64426097 has 2 divisors, whose sum is σ = 64426098. Its totient is φ = 64426096.

The previous prime is 64426079. The next prime is 64426123. The reversal of 64426097 is 79062446.

64426097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (64426079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63377521 + 1048576 = 7961^2 + 1024^2 .

It is a cyclic number.

It is not a de Polignac number, because 64426097 - 2¹⁶ = 64360561 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64426097.

It is not a weakly prime, because it can be changed into another prime (64426007) 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, 32213048 + 32213049.

It is an arithmetic number, because the mean of its divisors is an integer number (32213049).

Almost surely, 2^64426097 is an apocalyptic number.

It is an amenable number.

64426097 is a deficient number, since it is larger than the sum of its proper divisors (1).

64426097 is an equidigital number, since it uses as much as digits as its factorization.

64426097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 64426097 is about 8026.5868836013. The cubic root of 64426097 is about 400.8857393004.

The spelling of 64426097 in words is "sixty-four million, four hundred twenty-six thousand, ninety-seven".