63355009 has 2 divisors, whose sum is σ = 63355010. Its totient is φ = 63355008.

The previous prime is 63355007. The next prime is 63355031. The reversal of 63355009 is 90055336.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50908225 + 12446784 = 7135^2 + 3528^2 .

It is a cyclic number.

It is not a de Polignac number, because 63355009 - 2¹ = 63355007 is a prime.

It is a super-4 number, since 4×63355009⁴ (a number of 32 digits) contains 4444 as substring.

Together with 63355007, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63355001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31677504 + 31677505.

It is an arithmetic number, because the mean of its divisors is an integer number (31677505).

Almost surely, 2^63355009 is an apocalyptic number.

It is an amenable number.

63355009 is a deficient number, since it is larger than the sum of its proper divisors (1).

63355009 is an equidigital number, since it uses as much as digits as its factorization.

63355009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12150, while the sum is 31.

The square root of 63355009 is about 7959.5859816953. The cubic root of 63355009 is about 398.6517292712.

The spelling of 63355009 in words is "sixty-three million, three hundred fifty-five thousand, nine".