63531367 has 2 divisors, whose sum is σ = 63531368. Its totient is φ = 63531366.

The previous prime is 63531361. The next prime is 63531371. The reversal of 63531367 is 76313536.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63531367 - 2¹⁹ = 63007079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63531361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31765683 + 31765684.

It is an arithmetic number, because the mean of its divisors is an integer number (31765684).

Almost surely, 2^63531367 is an apocalyptic number.

63531367 is a deficient number, since it is larger than the sum of its proper divisors (1).

63531367 is an equidigital number, since it uses as much as digits as its factorization.

63531367 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 34.

The square root of 63531367 is about 7970.6566228887. The cubic root of 63531367 is about 399.0212885127.

The spelling of 63531367 in words is "sixty-three million, five hundred thirty-one thousand, three hundred sixty-seven".