5815525979 has 2 divisors, whose sum is σ = 5815525980. Its totient is φ = 5815525978.

The previous prime is 5815525973. The next prime is 5815525997. The reversal of 5815525979 is 9795255185.

Together with next prime (5815525997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5815525979 - 2¹² = 5815521883 is a prime.

It is not a weakly prime, because it can be changed into another prime (5815525973) 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, 2907762989 + 2907762990.

It is an arithmetic number, because the mean of its divisors is an integer number (2907762990).

Almost surely, 2^5815525979 is an apocalyptic number.

5815525979 is a deficient number, since it is larger than the sum of its proper divisors (1).

5815525979 is an equidigital number, since it uses as much as digits as its factorization.

5815525979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5670000, while the sum is 56.

The square root of 5815525979 is about 76259.5959797847. The cubic root of 5815525979 is about 1798.3035435055.

The spelling of 5815525979 in words is "five billion, eight hundred fifteen million, five hundred twenty-five thousand, nine hundred seventy-nine".