105704549 has 2 divisors, whose sum is σ = 105704550. Its totient is φ = 105704548.

The previous prime is 105704537. The next prime is 105704569. The reversal of 105704549 is 945407501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102373924 + 3330625 = 10118^2 + 1825^2 .

It is an emirp because it is prime and its reverse (945407501) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105704549 is a prime.

It is a super-2 number, since 2×105704549² = 22346903358586802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105704569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52852274 + 52852275.

It is an arithmetic number, because the mean of its divisors is an integer number (52852275).

Almost surely, 2^105704549 is an apocalyptic number.

It is an amenable number.

105704549 is a deficient number, since it is larger than the sum of its proper divisors (1).

105704549 is an equidigital number, since it uses as much as digits as its factorization.

105704549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 105704549 is about 10281.2717598554. The cubic root of 105704549 is about 472.8222360761.

The spelling of 105704549 in words is "one hundred five million, seven hundred four thousand, five hundred forty-nine".