6256247105431 has 2 divisors, whose sum is σ = 6256247105432. Its totient is φ = 6256247105430.

The previous prime is 6256247105429. The next prime is 6256247105441. The reversal of 6256247105431 is 1345017426526.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6256247105431 - 2¹ = 6256247105429 is a prime.

It is a super-3 number, since 3×6256247105431³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 6256247105429, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6256247105401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3128123552715 + 3128123552716.

It is an arithmetic number, because the mean of its divisors is an integer number (3128123552716).

Almost surely, 2^{6256247105431} is an apocalyptic number.

6256247105431 is a deficient number, since it is larger than the sum of its proper divisors (1).

6256247105431 is an equidigital number, since it uses as much as digits as its factorization.

6256247105431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 6256247105431 in words is "six trillion, two hundred fifty-six billion, two hundred forty-seven million, one hundred five thousand, four hundred thirty-one".