6523043551 has 2 divisors, whose sum is σ = 6523043552. Its totient is φ = 6523043550.

The previous prime is 6523043519. The next prime is 6523043557. The reversal of 6523043551 is 1553403256.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6523043551 - 2⁵ = 6523043519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6523043557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3261521775 + 3261521776.

It is an arithmetic number, because the mean of its divisors is an integer number (3261521776).

Almost surely, 2^6523043551 is an apocalyptic number.

6523043551 is a deficient number, since it is larger than the sum of its proper divisors (1).

6523043551 is an equidigital number, since it uses as much as digits as its factorization.

6523043551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 6523043551 is about 80765.3610838211. The cubic root of 6523043551 is about 1868.4583699665.

The spelling of 6523043551 in words is "six billion, five hundred twenty-three million, forty-three thousand, five hundred fifty-one".