64324237 has 2 divisors, whose sum is σ = 64324238. Its totient is φ = 64324236.

The previous prime is 64324213. The next prime is 64324283. The reversal of 64324237 is 73242346.

64324237 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., 62267881 + 2056356 = 7891^2 + 1434^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64324237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64324199 and 64324208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64324297) 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, 32162118 + 32162119.

It is an arithmetic number, because the mean of its divisors is an integer number (32162119).

Almost surely, 2^64324237 is an apocalyptic number.

It is an amenable number.

64324237 is a deficient number, since it is larger than the sum of its proper divisors (1).

64324237 is an equidigital number, since it uses as much as digits as its factorization.

64324237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 31.

The square root of 64324237 is about 8020.2392108964. The cubic root of 64324237 is about 400.6743562203.

The spelling of 64324237 in words is "sixty-four million, three hundred twenty-four thousand, two hundred thirty-seven".