63401333 has 4 divisors (see below), whose sum is σ = 63608160. Its totient is φ = 63194508.

The previous prime is 63401329. The next prime is 63401389. The reversal of 63401333 is 33310436.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63401333 - 2² = 63401329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 63401299 and 63401308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63400333) 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 3 ways as a sum of consecutive naturals, for example, 102953 + ... + 103566.

It is an arithmetic number, because the mean of its divisors is an integer number (15902040).

Almost surely, 2^63401333 is an apocalyptic number.

It is an amenable number.

63401333 is a deficient number, since it is larger than the sum of its proper divisors (206827).

63401333 is a wasteful number, since it uses less digits than its factorization.

63401333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206826.

The product of its (nonzero) digits is 1944, while the sum is 23.

The square root of 63401333 is about 7962.4954003126. The cubic root of 63401333 is about 398.7488678342.

Adding to 63401333 its reverse (33310436), we get a palindrome (96711769).

The spelling of 63401333 in words is "sixty-three million, four hundred one thousand, three hundred thirty-three".