6531275053 has 4 divisors (see below), whose sum is σ = 6670238400. Its totient is φ = 6392311708.

The previous prime is 6531275041. The next prime is 6531275059. The reversal of 6531275053 is 3505721356.

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 6531275053 - 2²¹ = 6529177901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6531275059) 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, 69481603 + ... + 69481696.

It is an arithmetic number, because the mean of its divisors is an integer number (1667559600).

Almost surely, 2^6531275053 is an apocalyptic number.

It is an amenable number.

6531275053 is a deficient number, since it is larger than the sum of its proper divisors (138963347).

6531275053 is a wasteful number, since it uses less digits than its factorization.

6531275053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138963346.

The product of its (nonzero) digits is 94500, while the sum is 37.

The square root of 6531275053 is about 80816.3043760354. The cubic root of 6531275053 is about 1869.2439824765.

The spelling of 6531275053 in words is "six billion, five hundred thirty-one million, two hundred seventy-five thousand, fifty-three".