63438001 has 12 divisors (see below), whose sum is σ = 70024500. Its totient is φ = 57427040.

The previous prime is 63437989. The next prime is 63438007. The reversal of 63438001 is 10083436.

It can be written as a sum of positive squares in 2 ways, for example, as 25492401 + 37945600 = 5049^2 + 6160^2 .

It is not a de Polignac number, because 63438001 - 2¹⁹ = 62913713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63438007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31575 + ... + 33523.

It is an arithmetic number, because the mean of its divisors is an integer number (5835375).

Almost surely, 2^63438001 is an apocalyptic number.

It is an amenable number.

63438001 is a deficient number, since it is larger than the sum of its proper divisors (6586499).

63438001 is a wasteful number, since it uses less digits than its factorization.

63438001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240 (or 2229 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 63438001 is about 7964.7976119924. The cubic root of 63438001 is about 398.8257248179.

The spelling of 63438001 in words is "sixty-three million, four hundred thirty-eight thousand, one".