105542063 has 4 divisors (see below), whose sum is σ = 115136808. Its totient is φ = 95947320.

The previous prime is 105542057. The next prime is 105542117. The reversal of 105542063 is 360245501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105542063 - 2¹⁰ = 105541039 is a prime.

It is a super-2 number, since 2×105542063² = 22278254124591938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105542033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4797356 + ... + 4797377.

It is an arithmetic number, because the mean of its divisors is an integer number (28784202).

Almost surely, 2^105542063 is an apocalyptic number.

105542063 is a deficient number, since it is larger than the sum of its proper divisors (9594745).

105542063 is an equidigital number, since it uses as much as digits as its factorization.

105542063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9594744.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 105542063 is about 10273.3666828358. The cubic root of 105542063 is about 472.5798422414.

Adding to 105542063 its reverse (360245501), we get a palindrome (465787564).

The spelling of 105542063 in words is "one hundred five million, five hundred forty-two thousand, sixty-three".