6523140251 has 2 divisors, whose sum is σ = 6523140252. Its totient is φ = 6523140250.

The previous prime is 6523140209. The next prime is 6523140257. The reversal of 6523140251 is 1520413256.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6523140251 - 2¹⁸ = 6522878107 is a prime.

It is not a weakly prime, because it can be changed into another prime (6523140257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3261570125 + 3261570126.

It is an arithmetic number, because the mean of its divisors is an integer number (3261570126).

Almost surely, 2^6523140251 is an apocalyptic number.

6523140251 is a deficient number, since it is larger than the sum of its proper divisors (1).

6523140251 is an equidigital number, since it uses as much as digits as its factorization.

6523140251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 6523140251 is about 80765.9597293315. The cubic root of 6523140251 is about 1868.4676028259.

The spelling of 6523140251 in words is "six billion, five hundred twenty-three million, one hundred forty thousand, two hundred fifty-one".