5481421 has 12 divisors (see below), whose sum is σ = 6104700. Its totient is φ = 4917440.

The previous prime is 5481409. The next prime is 5481431. The reversal of 5481421 is 1241845.

It can be written as a sum of positive squares in 2 ways, for example, as 2758921 + 2722500 = 1661^2 + 1650^2 .

It is not a de Polignac number, because 5481421 - 2¹³ = 5473229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5481401) 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 11 ways as a sum of consecutive naturals, for example, 10515 + ... + 11023.

It is an arithmetic number, because the mean of its divisors is an integer number (508725).

Almost surely, 2^5481421 is an apocalyptic number.

It is an amenable number.

5481421 is a deficient number, since it is larger than the sum of its proper divisors (623279).

5481421 is a wasteful number, since it uses less digits than its factorization.

5481421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620 (or 609 counting only the distinct ones).

The product of its digits is 1280, while the sum is 25.

The square root of 5481421 is about 2341.2434730288. The cubic root of 5481421 is about 176.3184339319.

The spelling of 5481421 in words is "five million, four hundred eighty-one thousand, four hundred twenty-one".