5390281 has 16 divisors (see below), whose sum is σ = 6193600. Its totient is φ = 4650048.

The previous prime is 5390279. The next prime is 5390291. The reversal of 5390281 is 1820935.

It is not a de Polignac number, because 5390281 - 2¹ = 5390279 is a prime.

It is a super-2 number, since 2×5390281² = 58110258517922, which contains 22 as substring.

It is a Duffinian number.

5390281 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5390291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34255 + ... + 34411.

It is an arithmetic number, because the mean of its divisors is an integer number (387100).

Almost surely, 2^5390281 is an apocalyptic number.

It is an amenable number.

5390281 is a deficient number, since it is larger than the sum of its proper divisors (803319).

5390281 is a wasteful number, since it uses less digits than its factorization.

5390281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 5390281 is about 2321.6978700942. The cubic root of 5390281 is about 175.3357472749.

It can be divided in two parts, 5390 and 281, that added together give a triangular number (5671 = T₁₀₆).

The spelling of 5390281 in words is "five million, three hundred ninety thousand, two hundred eighty-one".