6256520623 has 2 divisors, whose sum is σ = 6256520624. Its totient is φ = 6256520622.

The previous prime is 6256520617. The next prime is 6256520681. The reversal of 6256520623 is 3260256526.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6256520623 - 2⁹ = 6256520111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6256520603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3128260311 + 3128260312.

It is an arithmetic number, because the mean of its divisors is an integer number (3128260312).

Almost surely, 2^6256520623 is an apocalyptic number.

6256520623 is a deficient number, since it is larger than the sum of its proper divisors (1).

6256520623 is an equidigital number, since it uses as much as digits as its factorization.

6256520623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 6256520623 is about 79098.1707942731. The cubic root of 6256520623 is about 1842.6561181535.

The spelling of 6256520623 in words is "six billion, two hundred fifty-six million, five hundred twenty thousand, six hundred twenty-three".