5731481 has 6 divisors (see below), whose sum is σ = 6667290. Its totient is φ = 4912656.

The previous prime is 5731471. The next prime is 5731487. The reversal of 5731481 is 1841375.

It can be written as a sum of positive squares in only one way, i.e., 5664400 + 67081 = 2380^2 + 259^2 .

It is not a de Polignac number, because 5731481 - 2⁶ = 5731417 is a prime.

It is a super-2 number, since 2×5731481² = 65699748906722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5731487) 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 5 ways as a sum of consecutive naturals, for example, 58436 + ... + 58533.

It is an arithmetic number, because the mean of its divisors is an integer number (1111215).

Almost surely, 2^5731481 is an apocalyptic number.

It is an amenable number.

5731481 is a deficient number, since it is larger than the sum of its proper divisors (935809).

5731481 is a wasteful number, since it uses less digits than its factorization.

5731481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116983 (or 116976 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

The square root of 5731481 is about 2394.0511690438. The cubic root of 5731481 is about 178.9598549215.

The spelling of 5731481 in words is "five million, seven hundred thirty-one thousand, four hundred eighty-one".