64836523 has 2 divisors, whose sum is σ = 64836524. Its totient is φ = 64836522.

The previous prime is 64836467. The next prime is 64836533. The reversal of 64836523 is 32563846.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64836523 - 2¹³ = 64828331 is a prime.

It is not a weakly prime, because it can be changed into another prime (64836533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32418261 + 32418262.

It is an arithmetic number, because the mean of its divisors is an integer number (32418262).

Almost surely, 2^64836523 is an apocalyptic number.

64836523 is a deficient number, since it is larger than the sum of its proper divisors (1).

64836523 is an equidigital number, since it uses as much as digits as its factorization.

64836523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 37.

The square root of 64836523 is about 8052.1129525113. The cubic root of 64836523 is about 401.7352179122.

The spelling of 64836523 in words is "sixty-four million, eight hundred thirty-six thousand, five hundred twenty-three".