5715521 has 8 divisors (see below), whose sum is σ = 6560064. Its totient is φ = 4878000.

The previous prime is 5715499. The next prime is 5715527. The reversal of 5715521 is 1255175.

It is a happy number.

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 5715521 - 2¹⁴ = 5699137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5715527) 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, 131 + ... + 3383.

It is an arithmetic number, because the mean of its divisors is an integer number (820008).

Almost surely, 2^5715521 is an apocalyptic number.

It is an amenable number.

5715521 is a deficient number, since it is larger than the sum of its proper divisors (844543).

5715521 is a wasteful number, since it uses less digits than its factorization.

5715521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3511.

The product of its digits is 1750, while the sum is 26.

The square root of 5715521 is about 2390.7155832512. The cubic root of 5715521 is about 178.7935887309.

Adding to 5715521 its product of digits (1750), we get a triangular number (5717271 = T₃₃₈₁).

The spelling of 5715521 in words is "five million, seven hundred fifteen thousand, five hundred twenty-one".