63306253 has 2 divisors, whose sum is σ = 63306254. Its totient is φ = 63306252.

The previous prime is 63306241. The next prime is 63306263. The reversal of 63306253 is 35260336.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53553124 + 9753129 = 7318^2 + 3123^2 .

It is a cyclic number.

It is not a de Polignac number, because 63306253 - 2⁹ = 63305741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63306203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31653126 + 31653127.

It is an arithmetic number, because the mean of its divisors is an integer number (31653127).

Almost surely, 2^63306253 is an apocalyptic number.

It is an amenable number.

63306253 is a deficient number, since it is larger than the sum of its proper divisors (1).

63306253 is an equidigital number, since it uses as much as digits as its factorization.

63306253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 28.

The square root of 63306253 is about 7956.5226701116. The cubic root of 63306253 is about 398.5494397964.

Adding to 63306253 its reverse (35260336), we get a palindrome (98566589).

The spelling of 63306253 in words is "sixty-three million, three hundred six thousand, two hundred fifty-three".