105493447 has 2 divisors, whose sum is σ = 105493448. Its totient is φ = 105493446.

The previous prime is 105493429. The next prime is 105493463. The reversal of 105493447 is 744394501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105493447 - 2¹⁵ = 105460679 is a prime.

It is a super-2 number, since 2×105493447² = 22257734719883618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105493477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52746723 + 52746724.

It is an arithmetic number, because the mean of its divisors is an integer number (52746724).

Almost surely, 2^105493447 is an apocalyptic number.

105493447 is a deficient number, since it is larger than the sum of its proper divisors (1).

105493447 is an equidigital number, since it uses as much as digits as its factorization.

105493447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 105493447 is about 10271.0002920845. Note that the first 3 decimals coincide. The cubic root of 105493447 is about 472.5072693748.

The spelling of 105493447 in words is "one hundred five million, four hundred ninety-three thousand, four hundred forty-seven".