635114421 has 12 divisors (see below), whose sum is σ = 919196460. Its totient is φ = 422574720.

The previous prime is 635114411. The next prime is 635114449. The reversal of 635114421 is 124411536.

It is a happy number.

635114421 is a `hidden beast` number, since 635 + 1 + 1 + 4 + 4 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 283551921 + 351562500 = 16839^2 + 18750^2 .

It is not a de Polignac number, because 635114421 - 2⁹ = 635113909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (635114411) 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, 64740 + ... + 73901.

It is an arithmetic number, because the mean of its divisors is an integer number (76599705).

Almost surely, 2^635114421 is an apocalyptic number.

It is an amenable number.

635114421 is a deficient number, since it is larger than the sum of its proper divisors (284082039).

635114421 is a wasteful number, since it uses less digits than its factorization.

635114421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139156 (or 139153 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 635114421 is about 25201.4765638841. The cubic root of 635114421 is about 859.5754263559.

Adding to 635114421 its reverse (124411536), we get a palindrome (759525957).

The spelling of 635114421 in words is "six hundred thirty-five million, one hundred fourteen thousand, four hundred twenty-one".