64461211 has 4 divisors (see below), whose sum is σ = 65087152. Its totient is φ = 63835272.

The previous prime is 64461193. The next prime is 64461227. The reversal of 64461211 is 11216446.

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

It is a cyclic number.

It is not a de Polignac number, because 64461211 - 2⁵ = 64461179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64461251) 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, 312816 + ... + 313021.

It is an arithmetic number, because the mean of its divisors is an integer number (16271788).

Almost surely, 2^64461211 is an apocalyptic number.

64461211 is a deficient number, since it is larger than the sum of its proper divisors (625941).

64461211 is a wasteful number, since it uses less digits than its factorization.

64461211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625940.

The product of its digits is 1152, while the sum is 25.

The square root of 64461211 is about 8028.7739412690. The cubic root of 64461211 is about 400.9585573347.

Adding to 64461211 its reverse (11216446), we get a palindrome (75677657).

The spelling of 64461211 in words is "sixty-four million, four hundred sixty-one thousand, two hundred eleven".