64732523 has 2 divisors, whose sum is σ = 64732524. Its totient is φ = 64732522.

The previous prime is 64732483. The next prime is 64732559. The reversal of 64732523 is 32523746.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64732523 - 2¹⁸ = 64470379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64732523.

It is not a weakly prime, because it can be changed into another prime (64732223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32366261 + 32366262.

It is an arithmetic number, because the mean of its divisors is an integer number (32366262).

Almost surely, 2^64732523 is an apocalyptic number.

64732523 is a deficient number, since it is larger than the sum of its proper divisors (1).

64732523 is an equidigital number, since it uses as much as digits as its factorization.

64732523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 32.

The square root of 64732523 is about 8045.6524284858. The cubic root of 64732523 is about 401.5203039524.

The spelling of 64732523 in words is "sixty-four million, seven hundred thirty-two thousand, five hundred twenty-three".