982511009 has 2 divisors, whose sum is σ = 982511010. Its totient is φ = 982511008.

The previous prime is 982510973. The next prime is 982511041. The reversal of 982511009 is 900115289.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 953080384 + 29430625 = 30872^2 + 5425^2 .

It is an emirp because it is prime and its reverse (900115289) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 982511009 - 2¹² = 982506913 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 982511009.

It is not a weakly prime, because it can be changed into another prime (982511059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491255504 + 491255505.

It is an arithmetic number, because the mean of its divisors is an integer number (491255505).

Almost surely, 2^982511009 is an apocalyptic number.

It is an amenable number.

982511009 is a deficient number, since it is larger than the sum of its proper divisors (1).

982511009 is an equidigital number, since it uses as much as digits as its factorization.

982511009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 982511009 is about 31345.0316477747. The cubic root of 982511009 is about 994.1360172532.

The spelling of 982511009 in words is "nine hundred eighty-two million, five hundred eleven thousand, nine".