105547493 has 2 divisors, whose sum is σ = 105547494. Its totient is φ = 105547492.

The previous prime is 105547487. The next prime is 105547511. The reversal of 105547493 is 394745501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99161764 + 6385729 = 9958^2 + 2527^2 .

It is a cyclic number.

It is not a de Polignac number, because 105547493 - 2¹² = 105543397 is a prime.

It is a super-2 number, since 2×105547493² = 22280546557170098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105547193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52773746 + 52773747.

It is an arithmetic number, because the mean of its divisors is an integer number (52773747).

Almost surely, 2^105547493 is an apocalyptic number.

It is an amenable number.

105547493 is a deficient number, since it is larger than the sum of its proper divisors (1).

105547493 is an equidigital number, since it uses as much as digits as its factorization.

105547493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 105547493 is about 10273.6309550227. The cubic root of 105547493 is about 472.5879466391.

The spelling of 105547493 in words is "one hundred five million, five hundred forty-seven thousand, four hundred ninety-three".