64953111 has 8 divisors (see below), whose sum is σ = 86641920. Its totient is φ = 43283192.

The previous prime is 64953079. The next prime is 64953121. The reversal of 64953111 is 11135946.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64953111 - 2⁵ = 64953079 is a prime.

It is a super-3 number, since 3×64953111³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64953121) 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 7 ways as a sum of consecutive naturals, for example, 9010 + ... + 14528.

It is an arithmetic number, because the mean of its divisors is an integer number (10830240).

Almost surely, 2^64953111 is an apocalyptic number.

64953111 is a deficient number, since it is larger than the sum of its proper divisors (21688809).

64953111 is a wasteful number, since it uses less digits than its factorization.

64953111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9445.

The product of its digits is 3240, while the sum is 30.

The square root of 64953111 is about 8059.3492913510. The cubic root of 64953111 is about 401.9758716738.

The spelling of 64953111 in words is "sixty-four million, nine hundred fifty-three thousand, one hundred eleven".