6490563 has 16 divisors (see below), whose sum is σ = 9034752. Its totient is φ = 4140000.

The previous prime is 6490543. The next prime is 6490567. The reversal of 6490563 is 3650946.

It is a happy number.

It is not a de Polignac number, because 6490563 - 2⁸ = 6490307 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6490567) 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, 9048 + ... + 9738.

It is an arithmetic number, because the mean of its divisors is an integer number (564672).

Almost surely, 2^6490563 is an apocalyptic number.

6490563 is a deficient number, since it is larger than the sum of its proper divisors (2544189).

6490563 is a wasteful number, since it uses less digits than its factorization.

6490563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 6490563 is about 2547.6583365907. The cubic root of 6490563 is about 186.5351968972.

The spelling of 6490563 in words is "six million, four hundred ninety thousand, five hundred sixty-three".