534987709 has 2 divisors, whose sum is σ = 534987710. Its totient is φ = 534987708.

The previous prime is 534987707. The next prime is 534987767. The reversal of 534987709 is 907789435.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 350625625 + 184362084 = 18725^2 + 13578^2 .

It is a cyclic number.

It is not a de Polignac number, because 534987709 - 2¹ = 534987707 is a prime.

Together with 534987707, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (534987707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267493854 + 267493855.

It is an arithmetic number, because the mean of its divisors is an integer number (267493855).

Almost surely, 2^534987709 is an apocalyptic number.

It is an amenable number.

534987709 is a deficient number, since it is larger than the sum of its proper divisors (1).

534987709 is an equidigital number, since it uses as much as digits as its factorization.

534987709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The square root of 534987709 is about 23129.8013177805. The cubic root of 534987709 is about 811.7979211317.

The spelling of 534987709 in words is "five hundred thirty-four million, nine hundred eighty-seven thousand, seven hundred nine".