5281931 has 4 divisors (see below), whose sum is σ = 5287152. Its totient is φ = 5276712.

The previous prime is 5281921. The next prime is 5281937. The reversal of 5281931 is 1391825.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5281931 - 2¹⁰ = 5280907 is a prime.

It is a super-2 number, since 2×5281931² = 55797590177522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5281894 and 5281903.

It is not an unprimeable number, because it can be changed into a prime (5281937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551 + ... + 3296.

It is an arithmetic number, because the mean of its divisors is an integer number (1321788).

Almost surely, 2^5281931 is an apocalyptic number.

5281931 is a deficient number, since it is larger than the sum of its proper divisors (5221).

5281931 is a wasteful number, since it uses less digits than its factorization.

5281931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5220.

The product of its digits is 2160, while the sum is 29.

The square root of 5281931 is about 2298.2452001473. The cubic root of 5281931 is about 174.1529790403.

The spelling of 5281931 in words is "five million, two hundred eighty-one thousand, nine hundred thirty-one".