5731506 has 32 divisors (see below), whose sum is σ = 13896000. Its totient is φ = 1736640.

The previous prime is 5731487. The next prime is 5731519. The reversal of 5731506 is 6051375.

It is a super-2 number, since 2×5731506² = 65700322056072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5731506.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4231 + ... + 5418.

It is an arithmetic number, because the mean of its divisors is an integer number (434250).

Almost surely, 2^5731506 is an apocalyptic number.

5731506 is an abundant number, since it is smaller than the sum of its proper divisors (8164494).

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

5731506 is a wasteful number, since it uses less digits than its factorization.

5731506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9671 (or 9665 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 5731506 is about 2394.0563903133. The cubic root of 5731506 is about 178.9601151213.

The spelling of 5731506 in words is "five million, seven hundred thirty-one thousand, five hundred six".