5481389 has 4 divisors (see below), whose sum is σ = 5658240. Its totient is φ = 5304540.

The previous prime is 5481353. The next prime is 5481397. The reversal of 5481389 is 9831845.

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 a cyclic number.

It is not a de Polignac number, because 5481389 - 2¹² = 5477293 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 (5481349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88379 + ... + 88440.

It is an arithmetic number, because the mean of its divisors is an integer number (1414560).

Almost surely, 2^5481389 is an apocalyptic number.

It is an amenable number.

5481389 is a deficient number, since it is larger than the sum of its proper divisors (176851).

5481389 is a wasteful number, since it uses less digits than its factorization.

5481389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176850.

The product of its digits is 34560, while the sum is 38.

The square root of 5481389 is about 2341.2366390436. The cubic root of 5481389 is about 176.3180908213.

The spelling of 5481389 in words is "five million, four hundred eighty-one thousand, three hundred eighty-nine".