5281487 has 8 divisors (see below), whose sum is σ = 5602800. Its totient is φ = 4964544.

The previous prime is 5281459. The next prime is 5281489. The reversal of 5281487 is 7841825.

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 5281487 - 2¹⁰ = 5280463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5281489) 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, 1589 + ... + 3617.

It is an arithmetic number, because the mean of its divisors is an integer number (700350).

Almost surely, 2^5281487 is an apocalyptic number.

5281487 is a deficient number, since it is larger than the sum of its proper divisors (321313).

5281487 is a wasteful number, since it uses less digits than its factorization.

5281487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185.

The product of its digits is 17920, while the sum is 35.

The square root of 5281487 is about 2298.1486026800. The cubic root of 5281487 is about 174.1480991274.

It can be divided in two parts, 52 and 81487, that multiplied together give a palindrome (4237324).

The spelling of 5281487 in words is "five million, two hundred eighty-one thousand, four hundred eighty-seven".