6453 has 8 divisors (see below), whose sum is σ = 9600. Its totient is φ = 4284.

The previous prime is 6451. The next prime is 6469. The reversal of 6453 is 3546.

It is a happy number.

It is not a de Polignac number, because 6453 - 2¹ = 6451 is a prime.

It is a Curzon number.

It is a plaindrome in base 12 and base 14.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93 + ... + 146.

It is an arithmetic number, because the mean of its divisors is an integer number (1200).

2⁶⁴⁵³ is an apocalyptic number.

It is an amenable number.

6453 is a deficient number, since it is larger than the sum of its proper divisors (3147).

6453 is a wasteful number, since it uses less digits than its factorization.

6453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 242 counting only the distinct ones).

The product of its digits is 360, while the sum is 18.

The square root of 6453 is about 80.3305670340. The cubic root of 6453 is about 18.6174653847.

Adding to 6453 its reverse (3546), we get a palindrome (9999).

The spelling of 6453 in words is "six thousand, four hundred fifty-three".