63384331 has 2 divisors, whose sum is σ = 63384332. Its totient is φ = 63384330.

The previous prime is 63384329. The next prime is 63384337. The reversal of 63384331 is 13348336.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63384331 - 2¹ = 63384329 is a prime.

It is a super-2 number, since 2×63384331² = 8035146832635122, which contains 22 as substring.

Together with 63384329, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 63384293 and 63384302.

It is not a weakly prime, because it can be changed into another prime (63384337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31692165 + 31692166.

It is an arithmetic number, because the mean of its divisors is an integer number (31692166).

Almost surely, 2^63384331 is an apocalyptic number.

63384331 is a deficient number, since it is larger than the sum of its proper divisors (1).

63384331 is an equidigital number, since it uses as much as digits as its factorization.

63384331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 31.

The square root of 63384331 is about 7961.4276985978. The cubic root of 63384331 is about 398.7132211896.

The spelling of 63384331 in words is "sixty-three million, three hundred eighty-four thousand, three hundred thirty-one".