105441997 has 4 divisors (see below), whose sum is σ = 105473340. Its totient is φ = 105410656.

The previous prime is 105441991. The next prime is 105442013. The reversal of 105441997 is 799144501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12916836 + 92525161 = 3594^2 + 9619^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105441997 is a prime.

It is a super-2 number, since 2×105441997² = 22236029462696018, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105441991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9922 + ... + 17587.

It is an arithmetic number, because the mean of its divisors is an integer number (26368335).

Almost surely, 2^105441997 is an apocalyptic number.

It is an amenable number.

105441997 is a deficient number, since it is larger than the sum of its proper divisors (31343).

105441997 is an equidigital number, since it uses as much as digits as its factorization.

105441997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31342.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 105441997 is about 10268.4953620285. The cubic root of 105441997 is about 472.4304416890.

The spelling of 105441997 in words is "one hundred five million, four hundred forty-one thousand, nine hundred ninety-seven".