5831521 has 2 divisors, whose sum is σ = 5831522. Its totient is φ = 5831520.

The previous prime is 5831519. The next prime is 5831557. The reversal of 5831521 is 1251385.

It is a happy number.

5831521 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5085025 + 746496 = 2255^2 + 864^2 .

It is a cyclic number.

It is not a de Polignac number, because 5831521 - 2¹ = 5831519 is a prime.

Together with 5831519, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5831321) 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 as a sum of consecutive naturals, namely, 2915760 + 2915761.

It is an arithmetic number, because the mean of its divisors is an integer number (2915761).

Almost surely, 2^5831521 is an apocalyptic number.

It is an amenable number.

5831521 is a deficient number, since it is larger than the sum of its proper divisors (1).

5831521 is an equidigital number, since it uses as much as digits as its factorization.

5831521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1200, while the sum is 25.

The square root of 5831521 is about 2414.8542399077. The cubic root of 5831521 is about 179.9950718815.

The spelling of 5831521 in words is "five million, eight hundred thirty-one thousand, five hundred twenty-one".