5281665 has 8 divisors (see below), whose sum is σ = 8450688. Its totient is φ = 2816880.

The previous prime is 5281663. The next prime is 5281667. The reversal of 5281665 is 5661825.

It is an interprime number because it is at equal distance from previous prime (5281663) and next prime (5281667).

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

It is not a de Polignac number, because 5281665 - 2¹ = 5281663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5281663) 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, 176041 + ... + 176070.

It is an arithmetic number, because the mean of its divisors is an integer number (1056336).

Almost surely, 2^5281665 is an apocalyptic number.

It is an amenable number.

5281665 is a deficient number, since it is larger than the sum of its proper divisors (3169023).

5281665 is a wasteful number, since it uses less digits than its factorization.

5281665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352119.

The product of its digits is 14400, while the sum is 33.

The square root of 5281665 is about 2298.1873291792. The cubic root of 5281665 is about 174.1500555217.

The spelling of 5281665 in words is "five million, two hundred eighty-one thousand, six hundred sixty-five".