105941509 has 2 divisors, whose sum is σ = 105941510. Its totient is φ = 105941508.

The previous prime is 105941503. The next prime is 105941513. The reversal of 105941509 is 905149501.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79388100 + 26553409 = 8910^2 + 5153^2 .

It is a cyclic number.

It is not a de Polignac number, because 105941509 - 2⁹ = 105940997 is a prime.

It is a super-2 number, since 2×105941509² = 22447206658394162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105941503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52970754 + 52970755.

It is an arithmetic number, because the mean of its divisors is an integer number (52970755).

Almost surely, 2^105941509 is an apocalyptic number.

It is an amenable number.

105941509 is a deficient number, since it is larger than the sum of its proper divisors (1).

105941509 is an equidigital number, since it uses as much as digits as its factorization.

105941509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 105941509 is about 10292.7891749516. The cubic root of 105941509 is about 473.1752840811.

The spelling of 105941509 in words is "one hundred five million, nine hundred forty-one thousand, five hundred nine".