63385249 has 2 divisors, whose sum is σ = 63385250. Its totient is φ = 63385248.

The previous prime is 63385247. The next prime is 63385279. The reversal of 63385249 is 94258336.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47128225 + 16257024 = 6865^2 + 4032^2 .

It is a cyclic number.

It is not a de Polignac number, because 63385249 - 2¹ = 63385247 is a prime.

Together with 63385247, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (63385247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31692624 + 31692625.

It is an arithmetic number, because the mean of its divisors is an integer number (31692625).

Almost surely, 2^63385249 is an apocalyptic number.

It is an amenable number.

63385249 is a deficient number, since it is larger than the sum of its proper divisors (1).

63385249 is an equidigital number, since it uses as much as digits as its factorization.

63385249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 40.

The square root of 63385249 is about 7961.4853513650. The cubic root of 63385249 is about 398.7151460447.

The spelling of 63385249 in words is "sixty-three million, three hundred eighty-five thousand, two hundred forty-nine".