5421389 has 4 divisors (see below), whose sum is σ = 5553660. Its totient is φ = 5289120.

The previous prime is 5421371. The next prime is 5421407. The reversal of 5421389 is 9831245.

5421389 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (5421371) and next prime (5421407).

It can be written as a sum of positive squares in 2 ways, for example, as 537289 + 4884100 = 733^2 + 2210^2 .

It is a cyclic number.

It is not a de Polignac number, because 5421389 - 2²⁰ = 4372813 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5421329) 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, 66074 + ... + 66155.

It is an arithmetic number, because the mean of its divisors is an integer number (1388415).

Almost surely, 2^5421389 is an apocalyptic number.

It is an amenable number.

5421389 is a deficient number, since it is larger than the sum of its proper divisors (132271).

5421389 is a wasteful number, since it uses less digits than its factorization.

5421389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132270.

The product of its digits is 8640, while the sum is 32.

The square root of 5421389 is about 2328.3876395480. The cubic root of 5421389 is about 175.6723954859.

The spelling of 5421389 in words is "five million, four hundred twenty-one thousand, three hundred eighty-nine".