64945052 has 6 divisors (see below), whose sum is σ = 113653848. Its totient is φ = 32472524.

The previous prime is 64945033. The next prime is 64945057. The reversal of 64945052 is 25054946.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64945057) 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, 8118128 + ... + 8118135.

It is an arithmetic number, because the mean of its divisors is an integer number (18942308).

Almost surely, 2^64945052 is an apocalyptic number.

It is an amenable number.

64945052 is a deficient number, since it is larger than the sum of its proper divisors (48708796).

64945052 is a wasteful number, since it uses less digits than its factorization.

64945052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16236267 (or 16236265 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 64945052 is about 8058.8492975114. The cubic root of 64945052 is about 401.9592460522.

Adding to 64945052 its reverse (25054946), we get a palindrome (89999998).

The spelling of 64945052 in words is "sixty-four million, nine hundred forty-five thousand, fifty-two".