105500651 has 2 divisors, whose sum is σ = 105500652. Its totient is φ = 105500650.

The previous prime is 105500641. The next prime is 105500663. The reversal of 105500651 is 156005501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105500651 - 2⁶ = 105500587 is a prime.

It is a super-2 number, since 2×105500651² = 22260774722847602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105500621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52750325 + 52750326.

It is an arithmetic number, because the mean of its divisors is an integer number (52750326).

Almost surely, 2^105500651 is an apocalyptic number.

105500651 is a deficient number, since it is larger than the sum of its proper divisors (1).

105500651 is an equidigital number, since it uses as much as digits as its factorization.

105500651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 105500651 is about 10271.3509822223. The cubic root of 105500651 is about 472.5180247503.

The spelling of 105500651 in words is "one hundred five million, five hundred thousand, six hundred fifty-one".