6543253497 has 32 divisors (see below), whose sum is σ = 10085760000. Its totient is φ = 3731624640.

The previous prime is 6543253481. The next prime is 6543253513. The reversal of 6543253497 is 7943523456.

It is an interprime number because it is at equal distance from previous prime (6543253481) and next prime (6543253513).

It is not a de Polignac number, because 6543253497 - 2⁴ = 6543253481 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6543253597) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58404 + ... + 128442.

It is an arithmetic number, because the mean of its divisors is an integer number (315180000).

Almost surely, 2^6543253497 is an apocalyptic number.

It is an amenable number.

6543253497 is a deficient number, since it is larger than the sum of its proper divisors (3542506503).

6543253497 is a wasteful number, since it uses less digits than its factorization.

6543253497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70221.

The product of its digits is 2721600, while the sum is 48.

The square root of 6543253497 is about 80890.3795083198. The cubic root of 6543253497 is about 1870.3860239042.

The spelling of 6543253497 in words is "six billion, five hundred forty-three million, two hundred fifty-three thousand, four hundred ninety-seven".