105663539 has 2 divisors, whose sum is σ = 105663540. Its totient is φ = 105663538.

The previous prime is 105663497. The next prime is 105663553. The reversal of 105663539 is 935366501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105663539 - 2¹² = 105659443 is a prime.

It is a super-2 number, since 2×105663539² = 22329566948009042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105663139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52831769 + 52831770.

It is an arithmetic number, because the mean of its divisors is an integer number (52831770).

Almost surely, 2^105663539 is an apocalyptic number.

105663539 is a deficient number, since it is larger than the sum of its proper divisors (1).

105663539 is an equidigital number, since it uses as much as digits as its factorization.

105663539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72900, while the sum is 38.

The square root of 105663539 is about 10279.2771633029. The cubic root of 105663539 is about 472.7610815082.

The spelling of 105663539 in words is "one hundred five million, six hundred sixty-three thousand, five hundred thirty-nine".