64713133 has 4 divisors (see below), whose sum is σ = 64729440. Its totient is φ = 64696828.

The previous prime is 64713109. The next prime is 64713137. The reversal of 64713133 is 33131746.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 64713133 - 2⁹ = 64712621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64713137) 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, 2088 + ... + 11566.

It is an arithmetic number, because the mean of its divisors is an integer number (16182360).

Almost surely, 2^64713133 is an apocalyptic number.

It is an amenable number.

64713133 is a deficient number, since it is larger than the sum of its proper divisors (16307).

64713133 is an equidigital number, since it uses as much as digits as its factorization.

64713133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16306.

The product of its digits is 4536, while the sum is 28.

The square root of 64713133 is about 8044.4473396250. The cubic root of 64713133 is about 401.4802094434.

Adding to 64713133 its reverse (33131746), we get a palindrome (97844879).

It can be divided in two parts, 64713 and 133, that added together give a palindrome (64846).

The spelling of 64713133 in words is "sixty-four million, seven hundred thirteen thousand, one hundred thirty-three".