64255237 has 2 divisors, whose sum is σ = 64255238. Its totient is φ = 64255236.

The previous prime is 64255231. The next prime is 64255249. The reversal of 64255237 is 73255246.

64255237 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 can be written as a sum of positive squares in only one way, i.e., 64096036 + 159201 = 8006^2 + 399^2 .

It is a cyclic number.

It is not a de Polignac number, because 64255237 - 2³ = 64255229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64255231) 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, 32127618 + 32127619.

It is an arithmetic number, because the mean of its divisors is an integer number (32127619).

Almost surely, 2^64255237 is an apocalyptic number.

It is an amenable number.

64255237 is a deficient number, since it is larger than the sum of its proper divisors (1).

64255237 is an equidigital number, since it uses as much as digits as its factorization.

64255237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 34.

The square root of 64255237 is about 8015.9364393688. The cubic root of 64255237 is about 400.5310384335.

Subtracting 64255237 from its reverse (73255246), we obtain a palindrome (9000009).

The spelling of 64255237 in words is "sixty-four million, two hundred fifty-five thousand, two hundred thirty-seven".