63303641 has 8 divisors (see below), whose sum is σ = 63947784. Its totient is φ = 62663040.

The previous prime is 63303623. The next prime is 63303673. The reversal of 63303641 is 14630336.

It can be written as a sum of positive squares in 4 ways, for example, as 26822041 + 36481600 = 5179^2 + 6040^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63303641 - 2⁶ = 63303577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63303641.

It is not an unprimeable number, because it can be changed into a prime (63303341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47261 + ... + 48581.

It is an arithmetic number, because the mean of its divisors is an integer number (7993473).

Almost surely, 2^63303641 is an apocalyptic number.

It is an amenable number.

63303641 is a deficient number, since it is larger than the sum of its proper divisors (644143).

63303641 is a wasteful number, since it uses less digits than its factorization.

63303641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 63303641 is about 7956.3585263612. The cubic root of 63303641 is about 398.5439583713.

Adding to 63303641 its reverse (14630336), we get a palindrome (77933977).

The spelling of 63303641 in words is "sixty-three million, three hundred three thousand, six hundred forty-one".