6534936257 has 4 divisors (see below), whose sum is σ = 6586392576. Its totient is φ = 6483479940.

The previous prime is 6534936251. The next prime is 6534936301. The reversal of 6534936257 is 7526394356.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6534936257 - 2²² = 6530741953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6534936251) 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, 25727969 + ... + 25728222.

It is an arithmetic number, because the mean of its divisors is an integer number (1646598144).

Almost surely, 2^6534936257 is an apocalyptic number.

It is an amenable number.

6534936257 is a deficient number, since it is larger than the sum of its proper divisors (51456319).

6534936257 is a wasteful number, since it uses less digits than its factorization.

6534936257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51456318.

The product of its digits is 4082400, while the sum is 50.

The square root of 6534936257 is about 80838.9525971236. The cubic root of 6534936257 is about 1869.5931947978.

The spelling of 6534936257 in words is "six billion, five hundred thirty-four million, nine hundred thirty-six thousand, two hundred fifty-seven".