63230661 has 12 divisors (see below), whose sum is σ = 98358988. Its totient is φ = 38911104.

The previous prime is 63230659. The next prime is 63230693. The reversal of 63230661 is 16603236.

63230661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 28196100 + 35034561 = 5310^2 + 5919^2 .

It is not a de Polignac number, because 63230661 - 2¹ = 63230659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63230161) 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 in 11 ways as a sum of consecutive naturals, for example, 270100 + ... + 270333.

Almost surely, 2^63230661 is an apocalyptic number.

It is an amenable number.

63230661 is a deficient number, since it is larger than the sum of its proper divisors (35128327).

63230661 is a wasteful number, since it uses less digits than its factorization.

63230661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540452 (or 540449 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 63230661 is about 7951.7709348295. The cubic root of 63230661 is about 398.3907448435.

Adding to 63230661 its reverse (16603236), we get a palindrome (79833897).

The spelling of 63230661 in words is "sixty-three million, two hundred thirty thousand, six hundred sixty-one".