987433313 has 2 divisors, whose sum is σ = 987433314. Its totient is φ = 987433312.

The previous prime is 987433303. The next prime is 987433331. The reversal of 987433313 is 313334789.

987433313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (987433331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 927324304 + 60109009 = 30452^2 + 7753^2 .

It is a cyclic number.

It is not a de Polignac number, because 987433313 - 2¹⁰ = 987432289 is a prime.

It is not a weakly prime, because it can be changed into another prime (987433303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493716656 + 493716657.

It is an arithmetic number, because the mean of its divisors is an integer number (493716657).

Almost surely, 2^987433313 is an apocalyptic number.

It is an amenable number.

987433313 is a deficient number, since it is larger than the sum of its proper divisors (1).

987433313 is an equidigital number, since it uses as much as digits as its factorization.

987433313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 41.

The square root of 987433313 is about 31423.4516404548. The cubic root of 987433313 is about 995.7934339474.

The spelling of 987433313 in words is "nine hundred eighty-seven million, four hundred thirty-three thousand, three hundred thirteen".