5127531859 has 2 divisors, whose sum is σ = 5127531860. Its totient is φ = 5127531858.

The previous prime is 5127531803. The next prime is 5127531869. The reversal of 5127531859 is 9581357215.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5127531859 is a prime.

It is not a weakly prime, because it can be changed into another prime (5127531869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2563765929 + 2563765930.

It is an arithmetic number, because the mean of its divisors is an integer number (2563765930).

Almost surely, 2^5127531859 is an apocalyptic number.

5127531859 is a deficient number, since it is larger than the sum of its proper divisors (1).

5127531859 is an equidigital number, since it uses as much as digits as its factorization.

5127531859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 378000, while the sum is 46.

The square root of 5127531859 is about 71606.7864032453. The cubic root of 5127531859 is about 1724.3924888932.

It can be divided in two parts, 51 and 27531859, that added together give a triangular number (27531910 = T₇₄₂₀).

The spelling of 5127531859 in words is "five billion, one hundred twenty-seven million, five hundred thirty-one thousand, eight hundred fifty-nine".