105273381 has 4 divisors (see below), whose sum is σ = 140364512. Its totient is φ = 70182252.

The previous prime is 105273359. The next prime is 105273391. The reversal of 105273381 is 183372501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 105273381 - 2⁵ = 105273349 is a prime.

It is a super-2 number, since 2×105273381² = 22164969494342322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105273391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17545561 + ... + 17545566.

It is an arithmetic number, because the mean of its divisors is an integer number (35091128).

Almost surely, 2^105273381 is an apocalyptic number.

It is an amenable number.

105273381 is a deficient number, since it is larger than the sum of its proper divisors (35091131).

105273381 is an equidigital number, since it uses as much as digits as its factorization.

105273381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35091130.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 105273381 is about 10260.2817212784. The cubic root of 105273381 is about 472.1784806317.

The spelling of 105273381 in words is "one hundred five million, two hundred seventy-three thousand, three hundred eighty-one".