106438559 has 2 divisors, whose sum is σ = 106438560. Its totient is φ = 106438558.

The previous prime is 106438523. The next prime is 106438567. The reversal of 106438559 is 955834601.

It is a strong prime.

It is an emirp because it is prime and its reverse (955834601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 106438559 - 2²⁰ = 105389983 is a prime.

It is a super-2 number, since 2×106438559² = 22658333683992962, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106438259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53219279 + 53219280.

It is an arithmetic number, because the mean of its divisors is an integer number (53219280).

Almost surely, 2^106438559 is an apocalyptic number.

106438559 is a deficient number, since it is larger than the sum of its proper divisors (1).

106438559 is an equidigital number, since it uses as much as digits as its factorization.

106438559 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 41.

The square root of 106438559 is about 10316.9064646337. The cubic root of 106438559 is about 473.9141348972.

The spelling of 106438559 in words is "one hundred six million, four hundred thirty-eight thousand, five hundred fifty-nine".