5731540 has 24 divisors (see below), whose sum is σ = 12670560. Its totient is φ = 2171808.

The previous prime is 5731519. The next prime is 5731541. The reversal of 5731540 is 451375.

5731540 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5731541) 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 7 ways as a sum of consecutive naturals, for example, 7162 + ... + 7921.

It is an arithmetic number, because the mean of its divisors is an integer number (527940).

Almost surely, 2^5731540 is an apocalyptic number.

It is an amenable number.

5731540 is an abundant number, since it is smaller than the sum of its proper divisors (6939020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5731540 is a wasteful number, since it uses less digits than its factorization.

5731540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15111 (or 15109 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 5731540 is about 2394.0634912216. The cubic root of 5731540 is about 178.9604689917.

The spelling of 5731540 in words is "five million, seven hundred thirty-one thousand, five hundred forty".