64318141 has 4 divisors (see below), whose sum is σ = 64343484. Its totient is φ = 64292800.

The previous prime is 64318127. The next prime is 64318147. The reversal of 64318141 is 14181346.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14181346 = 2 ⋅7090673.

It can be written as a sum of positive squares in 2 ways, for example, as 15960025 + 48358116 = 3995^2 + 6954^2 .

It is a cyclic number.

It is not a de Polignac number, because 64318141 - 2⁵ = 64318109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64318147) 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, 8380 + ... + 14101.

It is an arithmetic number, because the mean of its divisors is an integer number (16085871).

Almost surely, 2^64318141 is an apocalyptic number.

It is an amenable number.

64318141 is a deficient number, since it is larger than the sum of its proper divisors (25343).

64318141 is a wasteful number, since it uses less digits than its factorization.

64318141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25342.

The product of its digits is 2304, while the sum is 28.

The square root of 64318141 is about 8019.8591633519. The cubic root of 64318141 is about 400.6616985340.

Adding to 64318141 its reverse (14181346), we get a palindrome (78499487).

The spelling of 64318141 in words is "sixty-four million, three hundred eighteen thousand, one hundred forty-one".