63390511 has 2 divisors, whose sum is σ = 63390512. Its totient is φ = 63390510.

The previous prime is 63390493. The next prime is 63390521. The reversal of 63390511 is 11509336.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63390511 - 2⁹ = 63389999 is a prime.

It is a super-2 number, since 2×63390511² = 8036713769682242, which contains 22 as substring.

It is equal to p_3751039 and since 63390511 and 3751039 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63390511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63390521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31695255 + 31695256.

It is an arithmetic number, because the mean of its divisors is an integer number (31695256).

Almost surely, 2^63390511 is an apocalyptic number.

63390511 is a deficient number, since it is larger than the sum of its proper divisors (1).

63390511 is an equidigital number, since it uses as much as digits as its factorization.

63390511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 63390511 is about 7961.8158104794. The cubic root of 63390511 is about 398.7261790063.

Adding to 63390511 its reverse (11509336), we get a palindrome (74899847).

The spelling of 63390511 in words is "sixty-three million, three hundred ninety thousand, five hundred eleven".