105671393 has 4 divisors (see below), whose sum is σ = 105722628. Its totient is φ = 105620160.

The previous prime is 105671383. The next prime is 105671399. The reversal of 105671393 is 393176501.

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 27384289 + 78287104 = 5233^2 + 8848^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105671393 is a prime.

It is a super-2 number, since 2×105671393² = 22332886597120898, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (105671399) 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 in 3 ways as a sum of consecutive naturals, for example, 22388 + ... + 26693.

It is an arithmetic number, because the mean of its divisors is an integer number (26430657).

Almost surely, 2^105671393 is an apocalyptic number.

It is an amenable number.

105671393 is a deficient number, since it is larger than the sum of its proper divisors (51235).

105671393 is an equidigital number, since it uses as much as digits as its factorization.

105671393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51234.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 105671393 is about 10279.6591869575. The cubic root of 105671393 is about 472.7727947051.

The spelling of 105671393 in words is "one hundred five million, six hundred seventy-one thousand, three hundred ninety-three".