6450264251 has 2 divisors, whose sum is σ = 6450264252. Its totient is φ = 6450264250.

The previous prime is 6450264221. The next prime is 6450264299. The reversal of 6450264251 is 1524620546.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6450264251 - 2²² = 6446069947 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (6450264211) 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, 3225132125 + 3225132126.

It is an arithmetic number, because the mean of its divisors is an integer number (3225132126).

Almost surely, 2^6450264251 is an apocalyptic number.

6450264251 is a deficient number, since it is larger than the sum of its proper divisors (1).

6450264251 is an equidigital number, since it uses as much as digits as its factorization.

6450264251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 6450264251 is about 80313.5371590618. The cubic root of 6450264251 is about 1861.4834054988.

Adding to 6450264251 its reverse (1524620546), we get a palindrome (7974884797).

The spelling of 6450264251 in words is "six billion, four hundred fifty million, two hundred sixty-four thousand, two hundred fifty-one".