5421379 has 4 divisors (see below), whose sum is σ = 5440176. Its totient is φ = 5402584.

The previous prime is 5421371. The next prime is 5421407. The reversal of 5421379 is 9731245.

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

It is a cyclic number.

It is not a de Polignac number, because 5421379 - 2³ = 5421371 is a prime.

It is a Smith number, since the sum of its digits (31) 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 self number, because there is not a number n which added to its sum of digits gives 5421379.

It is not an unprimeable number, because it can be changed into a prime (5421371) 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, 8959 + ... + 9544.

It is an arithmetic number, because the mean of its divisors is an integer number (1360044).

Almost surely, 2^5421379 is an apocalyptic number.

5421379 is a deficient number, since it is larger than the sum of its proper divisors (18797).

5421379 is a wasteful number, since it uses less digits than its factorization.

5421379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18796.

The product of its digits is 7560, while the sum is 31.

The square root of 5421379 is about 2328.3854921383. The cubic root of 5421379 is about 175.6722874739.

The spelling of 5421379 in words is "five million, four hundred twenty-one thousand, three hundred seventy-nine".