64350653 has 2 divisors, whose sum is σ = 64350654. Its totient is φ = 64350652.

The previous prime is 64350617. The next prime is 64350667. The reversal of 64350653 is 35605346.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60497284 + 3853369 = 7778^2 + 1963^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64350653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64350953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32175326 + 32175327.

It is an arithmetic number, because the mean of its divisors is an integer number (32175327).

Almost surely, 2^64350653 is an apocalyptic number.

It is an amenable number.

64350653 is a deficient number, since it is larger than the sum of its proper divisors (1).

64350653 is an equidigital number, since it uses as much as digits as its factorization.

64350653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 64350653 is about 8021.8858755283. The cubic root of 64350653 is about 400.7291969551.

Adding to 64350653 its reverse (35605346), we get a palindrome (99955999).

The spelling of 64350653 in words is "sixty-four million, three hundred fifty thousand, six hundred fifty-three".