5711531 has 4 divisors (see below), whose sum is σ = 6527472. Its totient is φ = 4895592.

The previous prime is 5711527. The next prime is 5711539. The reversal of 5711531 is 1351175.

5711531 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5711531 - 2² = 5711527 is a prime.

It is a super-2 number, since 2×5711531² = 65243172727922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5711497 and 5711506.

It is not an unprimeable number, because it can be changed into a prime (5711539) 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, 407960 + ... + 407973.

It is an arithmetic number, because the mean of its divisors is an integer number (1631868).

Almost surely, 2^5711531 is an apocalyptic number.

5711531 is a deficient number, since it is larger than the sum of its proper divisors (815941).

5711531 is an equidigital number, since it uses as much as digits as its factorization.

5711531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815940.

The product of its digits is 525, while the sum is 23.

The square root of 5711531 is about 2389.8809593785. The cubic root of 5711531 is about 178.7519738319.

The spelling of 5711531 in words is "five million, seven hundred eleven thousand, five hundred thirty-one".