5481331 has 4 divisors (see below), whose sum is σ = 5615064. Its totient is φ = 5347600.

The previous prime is 5481323. The next prime is 5481349. The reversal of 5481331 is 1331845.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1331845 = 5 ⋅266369.

It is a cyclic number.

It is not a de Polignac number, because 5481331 - 2³ = 5481323 is a prime.

It is a super-2 number, since 2×5481331² = 60089979063122, which contains 22 as substring.

It is a Duffinian number.

5481331 is a lucky number.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 5481296 and 5481305.

It is not an unprimeable number, because it can be changed into a prime (5481431) 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, 66805 + ... + 66886.

It is an arithmetic number, because the mean of its divisors is an integer number (1403766).

Almost surely, 2^5481331 is an apocalyptic number.

5481331 is a deficient number, since it is larger than the sum of its proper divisors (133733).

5481331 is a wasteful number, since it uses less digits than its factorization.

5481331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133732.

The product of its digits is 1440, while the sum is 25.

The square root of 5481331 is about 2341.2242523945. The cubic root of 5481331 is about 176.3174689299.

The spelling of 5481331 in words is "five million, four hundred eighty-one thousand, three hundred thirty-one".