105566533 has 2 divisors, whose sum is σ = 105566534. Its totient is φ = 105566532.

The previous prime is 105566519. The next prime is 105566551. The reversal of 105566533 is 335665501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80586529 + 24980004 = 8977^2 + 4998^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105566533 is a prime.

It is a super-2 number, since 2×105566533² = 22288585779280178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105566233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52783266 + 52783267.

It is an arithmetic number, because the mean of its divisors is an integer number (52783267).

Almost surely, 2^105566533 is an apocalyptic number.

It is an amenable number.

105566533 is a deficient number, since it is larger than the sum of its proper divisors (1).

105566533 is an equidigital number, since it uses as much as digits as its factorization.

105566533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40500, while the sum is 34.

The square root of 105566533 is about 10274.5575573842. The cubic root of 105566533 is about 472.6163620732.

The spelling of 105566533 in words is "one hundred five million, five hundred sixty-six thousand, five hundred thirty-three".