6490453 has 4 divisors (see below), whose sum is σ = 6495660. Its totient is φ = 6485248.

The previous prime is 6490427. The next prime is 6490483. The reversal of 6490453 is 3540946.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4422609 + 2067844 = 2103^2 + 1438^2 .

It is a cyclic number.

It is not a de Polignac number, because 6490453 - 2¹³ = 6482261 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6490483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501 + ... + 3637.

It is an arithmetic number, because the mean of its divisors is an integer number (1623915).

Almost surely, 2^6490453 is an apocalyptic number.

It is an amenable number.

6490453 is a deficient number, since it is larger than the sum of its proper divisors (5207).

6490453 is a wasteful number, since it uses less digits than its factorization.

6490453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5206.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 6490453 is about 2547.6367480471. The cubic root of 6490453 is about 186.5341431115.

The spelling of 6490453 in words is "six million, four hundred ninety thousand, four hundred fifty-three".