6531341551 has 4 divisors (see below), whose sum is σ = 7464390352. Its totient is φ = 5598292752.

The previous prime is 6531341501. The next prime is 6531341563. The reversal of 6531341551 is 1551431356.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6531341551 - 2¹³ = 6531333359 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 (6531341501) 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, 466524390 + ... + 466524403.

It is an arithmetic number, because the mean of its divisors is an integer number (1866097588).

Almost surely, 2^6531341551 is an apocalyptic number.

6531341551 is a deficient number, since it is larger than the sum of its proper divisors (933048801).

6531341551 is an equidigital number, since it uses as much as digits as its factorization.

6531341551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933048800.

The product of its digits is 27000, while the sum is 34.

The square root of 6531341551 is about 80816.7157894949. The cubic root of 6531341551 is about 1869.2503263407.

The spelling of 6531341551 in words is "six billion, five hundred thirty-one million, three hundred forty-one thousand, five hundred fifty-one".