5421381 has 8 divisors (see below), whose sum is σ = 8261184. Its totient is φ = 3097920.

The previous prime is 5421371. The next prime is 5421407. The reversal of 5421381 is 1831245.

5421381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5421381 - 2¹⁷ = 5290309 is a prime.

It is a super-2 number, since 2×5421381² = 58782743894322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5421341) 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 7 ways as a sum of consecutive naturals, for example, 129060 + ... + 129101.

It is an arithmetic number, because the mean of its divisors is an integer number (1032648).

Almost surely, 2^5421381 is an apocalyptic number.

It is an amenable number.

5421381 is a deficient number, since it is larger than the sum of its proper divisors (2839803).

5421381 is a wasteful number, since it uses less digits than its factorization.

5421381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258171.

The product of its digits is 960, while the sum is 24.

The square root of 5421381 is about 2328.3859216204. The cubic root of 5421381 is about 175.6723090763.

The spelling of 5421381 in words is "five million, four hundred twenty-one thousand, three hundred eighty-one".