105542497 has 4 divisors (see below), whose sum is σ = 106174656. Its totient is φ = 104910340.

The previous prime is 105542483. The next prime is 105542509. The reversal of 105542497 is 794245501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 105542497 - 2⁷ = 105542369 is a prime.

It is a super-2 number, since 2×105542497² = 22278437345990018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105542417) 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 3 ways as a sum of consecutive naturals, for example, 315829 + ... + 316162.

It is an arithmetic number, because the mean of its divisors is an integer number (26543664).

Almost surely, 2^105542497 is an apocalyptic number.

It is an amenable number.

105542497 is a deficient number, since it is larger than the sum of its proper divisors (632159).

105542497 is an equidigital number, since it uses as much as digits as its factorization.

105542497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632158.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 105542497 is about 10273.3878053931. The cubic root of 105542497 is about 472.5804900064.

Adding to 105542497 its reverse (794245501), we get a palindrome (899787998).

The spelling of 105542497 in words is "one hundred five million, five hundred forty-two thousand, four hundred ninety-seven".