64750523 has 2 divisors, whose sum is σ = 64750524. Its totient is φ = 64750522.

The previous prime is 64750513. The next prime is 64750531. The reversal of 64750523 is 32505746.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64750523 - 2¹⁰ = 64749499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64750523.

It is not a weakly prime, because it can be changed into another prime (64750513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32375261 + 32375262.

It is an arithmetic number, because the mean of its divisors is an integer number (32375262).

Almost surely, 2^64750523 is an apocalyptic number.

64750523 is a deficient number, since it is larger than the sum of its proper divisors (1).

64750523 is an equidigital number, since it uses as much as digits as its factorization.

64750523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 64750523 is about 8046.7709672887. The cubic root of 64750523 is about 401.5575170633.

The spelling of 64750523 in words is "sixty-four million, seven hundred fifty thousand, five hundred twenty-three".