6497254065 has 16 divisors (see below), whose sum is σ = 10470398400. Its totient is φ = 3440271552.

The previous prime is 6497254039. The next prime is 6497254069. The reversal of 6497254065 is 5604527946.

It is not a de Polignac number, because 6497254065 - 2⁷ = 6497253937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6497254069) 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, 1556010 + ... + 1560179.

It is an arithmetic number, because the mean of its divisors is an integer number (654399900).

Almost surely, 2^6497254065 is an apocalyptic number.

It is an amenable number.

6497254065 is a deficient number, since it is larger than the sum of its proper divisors (3973144335).

6497254065 is a wasteful number, since it uses less digits than its factorization.

6497254065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3116336.

The product of its (nonzero) digits is 1814400, while the sum is 48.

The square root of 6497254065 is about 80605.5461181177. The cubic root of 6497254065 is about 1865.9927405463.

The spelling of 6497254065 in words is "six billion, four hundred ninety-seven million, two hundred fifty-four thousand, sixty-five".