64453 has 2 divisors, whose sum is σ = 64454. Its totient is φ = 64452.

The previous prime is 64451. The next prime is 64483. The reversal of 64453 is 35446.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33124 + 31329 = 182^2 + 177^2 .

It is a cyclic number.

It is not a de Polignac number, because 64453 - 2¹ = 64451 is a prime.

Together with 64451, it forms a pair of twin primes.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32226 + 32227.

It is an arithmetic number, because the mean of its divisors is an integer number (32227).

2⁶⁴⁴⁵³ is an apocalyptic number.

It is an amenable number.

64453 is a deficient number, since it is larger than the sum of its proper divisors (1).

64453 is an equidigital number, since it uses as much as digits as its factorization.

64453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 22.

The square root of 64453 is about 253.8759539618. The cubic root of 64453 is about 40.0941532055.

Adding to 64453 its reverse (35446), we get a palindrome (99899).

The spelling of 64453 in words is "sixty-four thousand, four hundred fifty-three".