64945753 has 2 divisors, whose sum is σ = 64945754. Its totient is φ = 64945752.

The previous prime is 64945747. The next prime is 64945789. The reversal of 64945753 is 35754946.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47706649 + 17239104 = 6907^2 + 4152^2 .

It is a cyclic number.

It is not a de Polignac number, because 64945753 - 2²¹ = 62848601 is a prime.

It is not a weakly prime, because it can be changed into another prime (64945453) 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, 32472876 + 32472877.

It is an arithmetic number, because the mean of its divisors is an integer number (32472877).

Almost surely, 2^64945753 is an apocalyptic number.

It is an amenable number.

64945753 is a deficient number, since it is larger than the sum of its proper divisors (1).

64945753 is an equidigital number, since it uses as much as digits as its factorization.

64945753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 43.

The square root of 64945753 is about 8058.8927899557. The cubic root of 64945753 is about 401.9606922615.

The spelling of 64945753 in words is "sixty-four million, nine hundred forty-five thousand, seven hundred fifty-three".