105521233 has 2 divisors, whose sum is σ = 105521234. Its totient is φ = 105521232.

The previous prime is 105521209. The next prime is 105521237. The reversal of 105521233 is 332125501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65173329 + 40347904 = 8073^2 + 6352^2 .

It is a cyclic number.

It is not a de Polignac number, because 105521233 - 2⁵ = 105521201 is a prime.

It is a super-2 number, since 2×105521233² = 22269461227680578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105521237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52760616 + 52760617.

It is an arithmetic number, because the mean of its divisors is an integer number (52760617).

Almost surely, 2^105521233 is an apocalyptic number.

It is an amenable number.

105521233 is a deficient number, since it is larger than the sum of its proper divisors (1).

105521233 is an equidigital number, since it uses as much as digits as its factorization.

105521233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 105521233 is about 10272.3528463541. The cubic root of 105521233 is about 472.5487504173.

Adding to 105521233 its reverse (332125501), we get a palindrome (437646734).

The spelling of 105521233 in words is "one hundred five million, five hundred twenty-one thousand, two hundred thirty-three".