64216033 has 4 divisors (see below), whose sum is σ = 73389760. Its totient is φ = 55042308.

The previous prime is 64216027. The next prime is 64216057. The reversal of 64216033 is 33061246.

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 an emirpimes, since its reverse is a distinct semiprime: 33061246 = 2 ⋅16530623.

It is a cyclic number.

It is not a de Polignac number, because 64216033 - 2⁵ = 64216001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64215989 and 64216007.

It is not an unprimeable number, because it can be changed into a prime (64216003) 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, 4586853 + ... + 4586866.

It is an arithmetic number, because the mean of its divisors is an integer number (18347440).

Almost surely, 2^64216033 is an apocalyptic number.

It is an amenable number.

64216033 is a deficient number, since it is larger than the sum of its proper divisors (9173727).

64216033 is an equidigital number, since it uses as much as digits as its factorization.

64216033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9173726.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 64216033 is about 8013.4906875843. The cubic root of 64216033 is about 400.4495632928.

Adding to 64216033 its reverse (33061246), we get a palindrome (97277279).

The spelling of 64216033 in words is "sixty-four million, two hundred sixteen thousand, thirty-three".