64514811 has 8 divisors (see below), whose sum is σ = 86809360. Its totient is φ = 42615072.

The previous prime is 64514783. The next prime is 64514819. The reversal of 64514811 is 11841546.

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

It is not a de Polignac number, because 64514811 - 2⁷ = 64514683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64514819) 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, 98320 + ... + 98973.

It is an arithmetic number, because the mean of its divisors is an integer number (10851170).

Almost surely, 2^64514811 is an apocalyptic number.

64514811 is a deficient number, since it is larger than the sum of its proper divisors (22294549).

64514811 is a wasteful number, since it uses less digits than its factorization.

64514811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197405.

The product of its digits is 3840, while the sum is 30.

The square root of 64514811 is about 8032.1112417595. Note that the first 3 decimals coincide. The cubic root of 64514811 is about 401.0696599360.

The spelling of 64514811 in words is "sixty-four million, five hundred fourteen thousand, eight hundred eleven".