105289497 has 8 divisors (see below), whose sum is σ = 155984480. Its totient is φ = 70192980.

The previous prime is 105289489. The next prime is 105289501. The reversal of 105289497 is 794982501.

It is not a de Polignac number, because 105289497 - 2³ = 105289489 is a prime.

It is a super-2 number, since 2×105289497² = 22171756357026018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105289427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1949779 + ... + 1949832.

It is an arithmetic number, because the mean of its divisors is an integer number (19498060).

Almost surely, 2^105289497 is an apocalyptic number.

It is an amenable number.

105289497 is a deficient number, since it is larger than the sum of its proper divisors (50694983).

105289497 is an equidigital number, since it uses as much as digits as its factorization.

105289497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3899620 (or 3899614 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 105289497 is about 10261.0670497761. The cubic root of 105289497 is about 472.2025742188.

The spelling of 105289497 in words is "one hundred five million, two hundred eighty-nine thousand, four hundred ninety-seven".