5280381 has 24 divisors (see below), whose sum is σ = 7961304. Its totient is φ = 3369600.

The previous prime is 5280371. The next prime is 5280383. The reversal of 5280381 is 1830825.

It is a happy number.

5280381 is a `hidden beast` number, since 5 + 280 + 381 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2752281 + 2528100 = 1659^2 + 1590^2 .

It is not a de Polignac number, because 5280381 - 2¹⁰ = 5279357 is a prime.

It is a super-2 number, since 2×5280381² = 55764847010322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5280383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33555 + ... + 33711.

It is an arithmetic number, because the mean of its divisors is an integer number (331721).

Almost surely, 2^5280381 is an apocalyptic number.

It is an amenable number.

5280381 is a deficient number, since it is larger than the sum of its proper divisors (2680923).

5280381 is a wasteful number, since it uses less digits than its factorization.

5280381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 5280381 is about 2297.9079616033. The cubic root of 5280381 is about 174.1359421191.

The spelling of 5280381 in words is "five million, two hundred eighty thousand, three hundred eighty-one".