5281081 has 6 divisors (see below), whose sum is σ = 5718750. Its totient is φ = 4874688.

The previous prime is 5281057. The next prime is 5281097. The reversal of 5281081 is 1801825.

It can be written as a sum of positive squares in 3 ways, for example, as 32400 + 5248681 = 180^2 + 2291^2 .

It is not a de Polignac number, because 5281081 - 2⁵ = 5281049 is a prime.

It is a super-2 number, since 2×5281081² = 55779633057122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5281021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15456 + ... + 15793.

It is an arithmetic number, because the mean of its divisors is an integer number (953125).

Almost surely, 2^5281081 is an apocalyptic number.

It is an amenable number.

5281081 is a deficient number, since it is larger than the sum of its proper divisors (437669).

5281081 is a wasteful number, since it uses less digits than its factorization.

5281081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31275 (or 31262 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 5281081 is about 2298.0602690095. The cubic root of 5281081 is about 174.1436366253.

The spelling of 5281081 in words is "five million, two hundred eighty-one thousand, eighty-one".