64433 has 2 divisors, whose sum is σ = 64434. Its totient is φ = 64432.

The previous prime is 64403. The next prime is 64439. The reversal of 64433 is 33446.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53824 + 10609 = 232^2 + 103^2 .

It is a cyclic number.

It is not a de Polignac number, because 64433 - 2¹⁰ = 63409 is a prime.

It is a super-2 number, since 2×64433² = 8303222978, which contains 22 as substring.

It is a plaindrome in base 11.

It is a nialpdrome in base 10 and base 16.

It is not a weakly prime, because it can be changed into another prime (64439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32216 + 32217.

It is an arithmetic number, because the mean of its divisors is an integer number (32217).

2⁶⁴⁴³³ is an apocalyptic number.

It is an amenable number.

64433 is a deficient number, since it is larger than the sum of its proper divisors (1).

64433 is an equidigital number, since it uses as much as digits as its factorization.

64433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 20.

The square root of 64433 is about 253.8365615903. The cubic root of 64433 is about 40.0900056560.

Adding to 64433 its reverse (33446), we get a palindrome (97879).

It can be divided in two parts, 6443 and 3, that added together give a palindrome (6446).

The spelling of 64433 in words is "sixty-four thousand, four hundred thirty-three".