5256889567 has 2 divisors, whose sum is σ = 5256889568. Its totient is φ = 5256889566.

The previous prime is 5256889541. The next prime is 5256889667. The reversal of 5256889567 is 7659886525.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5256889567 - 2³¹ = 3109405919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5256889507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2628444783 + 2628444784.

It is an arithmetic number, because the mean of its divisors is an integer number (2628444784).

Almost surely, 2^5256889567 is an apocalyptic number.

5256889567 is a deficient number, since it is larger than the sum of its proper divisors (1).

5256889567 is an equidigital number, since it uses as much as digits as its factorization.

5256889567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288000, while the sum is 61.

The square root of 5256889567 is about 72504.4106727308. The cubic root of 5256889567 is about 1738.7732541992.

The spelling of 5256889567 in words is "five billion, two hundred fifty-six million, eight hundred eighty-nine thousand, five hundred sixty-seven".