105279563 has 2 divisors, whose sum is σ = 105279564. Its totient is φ = 105279562.

The previous prime is 105279553. The next prime is 105279569. The reversal of 105279563 is 365972501.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105279563 - 2¹⁰ = 105278539 is a prime.

It is a super-2 number, since 2×105279563² = 22167572770941938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105279569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52639781 + 52639782.

It is an arithmetic number, because the mean of its divisors is an integer number (52639782).

Almost surely, 2^105279563 is an apocalyptic number.

105279563 is a deficient number, since it is larger than the sum of its proper divisors (1).

105279563 is an equidigital number, since it uses as much as digits as its factorization.

105279563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 105279563 is about 10260.5829756403. The cubic root of 105279563 is about 472.1877230765.

The spelling of 105279563 in words is "one hundred five million, two hundred seventy-nine thousand, five hundred sixty-three".