6403453 has 16 divisors (see below), whose sum is σ = 7888896. Its totient is φ = 5076720.

The previous prime is 6403451. The next prime is 6403469. The reversal of 6403453 is 3543046.

It is a cyclic number.

It is not a de Polignac number, because 6403453 - 2¹ = 6403451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6403451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4350 + ... + 5632.

It is an arithmetic number, because the mean of its divisors is an integer number (493056).

Almost surely, 2^6403453 is an apocalyptic number.

It is an amenable number.

6403453 is a deficient number, since it is larger than the sum of its proper divisors (1485443).

6403453 is a wasteful number, since it uses less digits than its factorization.

6403453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 6403453 is about 2530.5044951551. The cubic root of 6403453 is about 185.6969377709.

Adding to 6403453 its reverse (3543046), we get a palindrome (9946499).

The spelling of 6403453 in words is "six million, four hundred three thousand, four hundred fifty-three".