5711521 has 8 divisors (see below), whose sum is σ = 6166080. Its totient is φ = 5274192.

The previous prime is 5711509. The next prime is 5711527. The reversal of 5711521 is 1251175.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5711521 - 2¹³ = 5703329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5711492 and 5711501.

It is not an unprimeable number, because it can be changed into a prime (5711527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3615 + ... + 4948.

It is an arithmetic number, because the mean of its divisors is an integer number (770760).

Almost surely, 2^5711521 is an apocalyptic number.

It is an amenable number.

5711521 is a deficient number, since it is larger than the sum of its proper divisors (454559).

5711521 is a wasteful number, since it uses less digits than its factorization.

5711521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8615.

The product of its digits is 350, while the sum is 22.

The square root of 5711521 is about 2389.8788672232. The cubic root of 5711521 is about 178.7518695095.

Adding to 5711521 its reverse (1251175), we get a palindrome (6962696).

The spelling of 5711521 in words is "five million, seven hundred eleven thousand, five hundred twenty-one".