6405453 has 16 divisors (see below), whose sum is σ = 9652800. Its totient is φ = 4196880.

The previous prime is 6405397. The next prime is 6405457. The reversal of 6405453 is 3545046.

It is not a de Polignac number, because 6405453 - 2¹² = 6401357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6405457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418 + ... + 3603.

It is an arithmetic number, because the mean of its divisors is an integer number (603300).

Almost surely, 2^6405453 is an apocalyptic number.

It is an amenable number.

6405453 is a deficient number, since it is larger than the sum of its proper divisors (3247347).

6405453 is a wasteful number, since it uses less digits than its factorization.

6405453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4089 (or 4083 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 6405453 is about 2530.8996424197. The cubic root of 6405453 is about 185.7162687588.

The spelling of 6405453 in words is "six million, four hundred five thousand, four hundred fifty-three".