64635353 has 2 divisors, whose sum is σ = 64635354. Its totient is φ = 64635352.

The previous prime is 64635331. The next prime is 64635409. The reversal of 64635353 is 35353646.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42994249 + 21641104 = 6557^2 + 4652^2 .

It is a cyclic number.

It is not a de Polignac number, because 64635353 - 2¹⁰ = 64634329 is a prime.

It is not a weakly prime, because it can be changed into another prime (64635553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32317676 + 32317677.

It is an arithmetic number, because the mean of its divisors is an integer number (32317677).

Almost surely, 2^64635353 is an apocalyptic number.

It is an amenable number.

64635353 is a deficient number, since it is larger than the sum of its proper divisors (1).

64635353 is an equidigital number, since it uses as much as digits as its factorization.

64635353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 35.

The square root of 64635353 is about 8039.6114955886. The cubic root of 64635353 is about 401.3192959449.

Adding to 64635353 its reverse (35353646), we get a palindrome (99988999).

The spelling of 64635353 in words is "sixty-four million, six hundred thirty-five thousand, three hundred fifty-three".