63045509 has 2 divisors, whose sum is σ = 63045510. Its totient is φ = 63045508.

The previous prime is 63045497. The next prime is 63045511. The reversal of 63045509 is 90554036.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58094884 + 4950625 = 7622^2 + 2225^2 .

It is a cyclic number.

It is not a de Polignac number, because 63045509 - 2²⁴ = 46268293 is a prime.

Together with 63045511, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63045529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31522754 + 31522755.

It is an arithmetic number, because the mean of its divisors is an integer number (31522755).

Almost surely, 2^63045509 is an apocalyptic number.

It is an amenable number.

63045509 is a deficient number, since it is larger than the sum of its proper divisors (1).

63045509 is an equidigital number, since it uses as much as digits as its factorization.

63045509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 63045509 is about 7940.1202131958. The cubic root of 63045509 is about 398.0015087946.

The spelling of 63045509 in words is "sixty-three million, forty-five thousand, five hundred nine".