63063391 has 2 divisors, whose sum is σ = 63063392. Its totient is φ = 63063390.

The previous prime is 63063361. The next prime is 63063449. The reversal of 63063391 is 19336036.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63063391 - 2⁵ = 63063359 is a prime.

It is equal to p_3732808 and since 63063391 and 3732808 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63063361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31531695 + 31531696.

It is an arithmetic number, because the mean of its divisors is an integer number (31531696).

Almost surely, 2^63063391 is an apocalyptic number.

63063391 is a deficient number, since it is larger than the sum of its proper divisors (1).

63063391 is an equidigital number, since it uses as much as digits as its factorization.

63063391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 31.

The square root of 63063391 is about 7941.2461868399. The cubic root of 63063391 is about 398.0391344733.

The spelling of 63063391 in words is "sixty-three million, sixty-three thousand, three hundred ninety-one".