63115009 has 2 divisors, whose sum is σ = 63115010. Its totient is φ = 63115008.

The previous prime is 63114983. The next prime is 63115027. The reversal of 63115009 is 90051136.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32809984 + 30305025 = 5728^2 + 5505^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63115009 is a prime.

It is a super-2 number, since 2×63115009² = 7967008722140162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (63115069) 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, 31557504 + 31557505.

It is an arithmetic number, because the mean of its divisors is an integer number (31557505).

Almost surely, 2^63115009 is an apocalyptic number.

It is an amenable number.

63115009 is a deficient number, since it is larger than the sum of its proper divisors (1).

63115009 is an equidigital number, since it uses as much as digits as its factorization.

63115009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 63115009 is about 7944.4955157644. The cubic root of 63115009 is about 398.1477044934.

The spelling of 63115009 in words is "sixty-three million, one hundred fifteen thousand, nine".