5287521 has 8 divisors (see below), whose sum is σ = 7169760. Its totient is φ = 3465152.

The previous prime is 5287519. The next prime is 5287523. The reversal of 5287521 is 1257825.

It is an interprime number because it is at equal distance from previous prime (5287519) and next prime (5287523).

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 5287521 - 2¹ = 5287519 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5287523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14760 + ... + 15113.

It is an arithmetic number, because the mean of its divisors is an integer number (896220).

Almost surely, 2^5287521 is an apocalyptic number.

It is an amenable number.

5287521 is a deficient number, since it is larger than the sum of its proper divisors (1882239).

5287521 is a wasteful number, since it uses less digits than its factorization.

5287521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29935.

The product of its digits is 5600, while the sum is 30.

The square root of 5287521 is about 2299.4610238054. The cubic root of 5287521 is about 174.2143942009.

The spelling of 5287521 in words is "five million, two hundred eighty-seven thousand, five hundred twenty-one".