4171381 has 4 divisors (see below), whose sum is σ = 4273164. Its totient is φ = 4069600.

The previous prime is 4171361. The next prime is 4171411. The reversal of 4171381 is 1831714.

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 70756 + 4100625 = 266^2 + 2025^2 .

It is a cyclic number.

It is not a de Polignac number, because 4171381 - 2¹⁹ = 3647093 is a prime.

It is a super-2 number, since 2×4171381² = 34800838894322, 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 (4171361) 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, 50830 + ... + 50911.

It is an arithmetic number, because the mean of its divisors is an integer number (1068291).

Almost surely, 2^4171381 is an apocalyptic number.

4171381 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4171381 is a deficient number, since it is larger than the sum of its proper divisors (101783).

4171381 is a wasteful number, since it uses less digits than its factorization.

4171381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101782.

The product of its digits is 672, while the sum is 25.

The square root of 4171381 is about 2042.3958969798. The cubic root of 4171381 is about 160.9755630774.

The spelling of 4171381 in words is "four million, one hundred seventy-one thousand, three hundred eighty-one".