105500501 has 2 divisors, whose sum is σ = 105500502. Its totient is φ = 105500500.

The previous prime is 105500497. The next prime is 105500509. The reversal of 105500501 is 105005501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88078225 + 17422276 = 9385^2 + 4174^2 .

It is an emirp because it is prime and its reverse (105005501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105500501 - 2² = 105500497 is a prime.

It is a super-2 number, since 2×105500501² = 22260711422502002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105500501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105500509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52750250 + 52750251.

It is an arithmetic number, because the mean of its divisors is an integer number (52750251).

Almost surely, 2^105500501 is an apocalyptic number.

It is an amenable number.

105500501 is a deficient number, since it is larger than the sum of its proper divisors (1).

105500501 is an equidigital number, since it uses as much as digits as its factorization.

105500501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 125, while the sum is 17.

The square root of 105500501 is about 10271.3436803565. The cubic root of 105500501 is about 472.5178008094.

The spelling of 105500501 in words is "one hundred five million, five hundred thousand, five hundred one".