63133457 has 4 divisors (see below), whose sum is σ = 63227940. Its totient is φ = 63038976.

The previous prime is 63133451. The next prime is 63133471. The reversal of 63133457 is 75433136.

63133457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44609041 + 18524416 = 6679^2 + 4304^2 .

It is a cyclic number.

It is not a de Polignac number, because 63133457 - 2⁸ = 63133201 is a prime.

It is a super-3 number, since 3×63133457³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63133451) 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 3 ways as a sum of consecutive naturals, for example, 46232 + ... + 47577.

It is an arithmetic number, because the mean of its divisors is an integer number (15806985).

Almost surely, 2^63133457 is an apocalyptic number.

It is an amenable number.

63133457 is a deficient number, since it is larger than the sum of its proper divisors (94483).

63133457 is an equidigital number, since it uses as much as digits as its factorization.

63133457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94482.

The product of its digits is 22680, while the sum is 32.

The square root of 63133457 is about 7945.6564864082. The cubic root of 63133457 is about 398.1864924852.

The spelling of 63133457 in words is "sixty-three million, one hundred thirty-three thousand, four hundred fifty-seven".