5481361 has 4 divisors (see below), whose sum is σ = 5803812. Its totient is φ = 5158912.

The previous prime is 5481353. The next prime is 5481397. The reversal of 5481361 is 1631845.

5481361 = 1655² + 1656².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1631845 = 5 ⋅326369.

It can be written as a sum of positive squares in 2 ways, for example, as 2742336 + 2739025 = 1656^2 + 1655^2 .

It is a cyclic number.

It is not a de Polignac number, because 5481361 - 2³ = 5481353 is a prime.

It is a Duffinian number.

5481361 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5481461) 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, 161200 + ... + 161233.

It is an arithmetic number, because the mean of its divisors is an integer number (1450953).

Almost surely, 2^5481361 is an apocalyptic number.

5481361 is the 1656-th centered square number.

It is an amenable number.

5481361 is a deficient number, since it is larger than the sum of its proper divisors (322451).

5481361 is a wasteful number, since it uses less digits than its factorization.

5481361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322450.

The product of its digits is 2880, while the sum is 28.

The square root of 5481361 is about 2341.2306592901. The cubic root of 5481361 is about 176.3177905984.

The spelling of 5481361 in words is "five million, four hundred eighty-one thousand, three hundred sixty-one".