64233133 has 2 divisors, whose sum is σ = 64233134. Its totient is φ = 64233132.

The previous prime is 64233131. The next prime is 64233137. The reversal of 64233133 is 33133246.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64208169 + 24964 = 8013^2 + 158^2 .

It is a cyclic number.

It is not a de Polignac number, because 64233133 - 2¹ = 64233131 is a prime.

Together with 64233131, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 64233098 and 64233107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64233131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32116566 + 32116567.

It is an arithmetic number, because the mean of its divisors is an integer number (32116567).

Almost surely, 2^64233133 is an apocalyptic number.

It is an amenable number.

64233133 is a deficient number, since it is larger than the sum of its proper divisors (1).

64233133 is an equidigital number, since it uses as much as digits as its factorization.

64233133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 25.

The square root of 64233133 is about 8014.5575673271. The cubic root of 64233133 is about 400.4851051945.

Adding to 64233133 its reverse (33133246), we get a palindrome (97366379).

The spelling of 64233133 in words is "sixty-four million, two hundred thirty-three thousand, one hundred thirty-three".