5725731 has 32 divisors (see below), whose sum is σ = 8939520. Its totient is φ = 3225600.

The previous prime is 5725729. The next prime is 5725739. The reversal of 5725731 is 1375275.

It is not a de Polignac number, because 5725731 - 2¹ = 5725729 is a prime.

It is a super-2 number, since 2×5725731² = 65567990968722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5725739) 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 31 ways as a sum of consecutive naturals, for example, 29571 + ... + 29763.

It is an arithmetic number, because the mean of its divisors is an integer number (279360).

Almost surely, 2^5725731 is an apocalyptic number.

5725731 is a deficient number, since it is larger than the sum of its proper divisors (3213789).

5725731 is a wasteful number, since it uses less digits than its factorization.

5725731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267.

The product of its digits is 7350, while the sum is 30.

The square root of 5725731 is about 2392.8499744029. The cubic root of 5725731 is about 178.8999888664.

The spelling of 5725731 in words is "five million, seven hundred twenty-five thousand, seven hundred thirty-one".