5481281 has 8 divisors (see below), whose sum is σ = 6029184. Its totient is φ = 4951440.

The previous prime is 5481251. The next prime is 5481299. The reversal of 5481281 is 1821845.

5481281 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 a de Polignac number, because none of the positive numbers 2^k-5481281 is a prime.

It is a super-2 number, since 2×5481281² = 60088882801922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5481211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3875 + ... + 5096.

It is an arithmetic number, because the mean of its divisors is an integer number (753648).

Almost surely, 2^5481281 is an apocalyptic number.

It is an amenable number.

5481281 is a deficient number, since it is larger than the sum of its proper divisors (547903).

5481281 is a wasteful number, since it uses less digits than its factorization.

5481281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9031.

The product of its digits is 2560, while the sum is 29.

The square root of 5481281 is about 2341.2135741961. The cubic root of 5481281 is about 176.3169328132.

The spelling of 5481281 in words is "five million, four hundred eighty-one thousand, two hundred eighty-one".