5281999 has 2 divisors, whose sum is σ = 5282000. Its totient is φ = 5281998.

The previous prime is 5281993. The next prime is 5282023. The reversal of 5281999 is 9991825.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5281999 is a prime.

5281999 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5281993) 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 as a sum of consecutive naturals, namely, 2640999 + 2641000.

It is an arithmetic number, because the mean of its divisors is an integer number (2641000).

Almost surely, 2^5281999 is an apocalyptic number.

5281999 is a deficient number, since it is larger than the sum of its proper divisors (1).

5281999 is an equidigital number, since it uses as much as digits as its factorization.

5281999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 43.

The square root of 5281999 is about 2298.2599939955. The cubic root of 5281999 is about 174.1537263902.

The spelling of 5281999 in words is "five million, two hundred eighty-one thousand, nine hundred ninety-nine".