63351329 has 2 divisors, whose sum is σ = 63351330. Its totient is φ = 63351328.

The previous prime is 63351319. The next prime is 63351331. The reversal of 63351329 is 92315336.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63170704 + 180625 = 7948^2 + 425^2 .

It is a cyclic number.

It is not a de Polignac number, because 63351329 - 2¹² = 63347233 is a prime.

Together with 63351331, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 63351295 and 63351304.

It is not a weakly prime, because it can be changed into another prime (63351319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31675664 + 31675665.

It is an arithmetic number, because the mean of its divisors is an integer number (31675665).

Almost surely, 2^63351329 is an apocalyptic number.

It is an amenable number.

63351329 is a deficient number, since it is larger than the sum of its proper divisors (1).

63351329 is an equidigital number, since it uses as much as digits as its factorization.

63351329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14580, while the sum is 32.

The square root of 63351329 is about 7959.3548105358. The cubic root of 63351329 is about 398.6440105089.

The spelling of 63351329 in words is "sixty-three million, three hundred fifty-one thousand, three hundred twenty-nine".