463540633 has 2 divisors, whose sum is σ = 463540634. Its totient is φ = 463540632.

The previous prime is 463540621. The next prime is 463540657. The reversal of 463540633 is 336045364.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 463454784 + 85849 = 21528^2 + 293^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-463540633 is a prime.

It is not a weakly prime, because it can be changed into another prime (463540673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231770316 + 231770317.

It is an arithmetic number, because the mean of its divisors is an integer number (231770317).

Almost surely, 2^463540633 is an apocalyptic number.

It is an amenable number.

463540633 is a deficient number, since it is larger than the sum of its proper divisors (1).

463540633 is an equidigital number, since it uses as much as digits as its factorization.

463540633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 34.

The square root of 463540633 is about 21529.9937993489. The cubic root of 463540633 is about 773.9197620175.

Adding to 463540633 its reverse (336045364), we get a palindrome (799585997).

The spelling of 463540633 in words is "four hundred sixty-three million, five hundred forty thousand, six hundred thirty-three".