105659579 has 2 divisors, whose sum is σ = 105659580. Its totient is φ = 105659578.

The previous prime is 105659537. The next prime is 105659597. The reversal of 105659579 is 975956501.

Together with next prime (105659597) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105659579 is a prime.

It is a super-2 number, since 2×105659579² = 22327893268914482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105659509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52829789 + 52829790.

It is an arithmetic number, because the mean of its divisors is an integer number (52829790).

Almost surely, 2^105659579 is an apocalyptic number.

105659579 is a deficient number, since it is larger than the sum of its proper divisors (1).

105659579 is an equidigital number, since it uses as much as digits as its factorization.

105659579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 425250, while the sum is 47.

The square root of 105659579 is about 10279.0845409501. The cubic root of 105659579 is about 472.7551754744.

The spelling of 105659579 in words is "one hundred five million, six hundred fifty-nine thousand, five hundred seventy-nine".