5711631 has 4 divisors (see below), whose sum is σ = 7615512. Its totient is φ = 3807752.

The previous prime is 5711627. The next prime is 5711663. The reversal of 5711631 is 1361175.

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 5711631 - 2² = 5711627 is a prime.

It is a super-2 number, since 2×5711631² = 65245457360322, which contains 22 as substring.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5711681) 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, 951936 + ... + 951941.

It is an arithmetic number, because the mean of its divisors is an integer number (1903878).

Almost surely, 2^5711631 is an apocalyptic number.

5711631 is a deficient number, since it is larger than the sum of its proper divisors (1903881).

5711631 is a wasteful number, since it uses less digits than its factorization.

5711631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903880.

The product of its digits is 630, while the sum is 24.

The square root of 5711631 is about 2389.9018808311. The cubic root of 5711631 is about 178.7530170485.

The spelling of 5711631 in words is "five million, seven hundred eleven thousand, six hundred thirty-one".