64871353 has 4 divisors (see below), whose sum is σ = 65207668. Its totient is φ = 64535040.

The previous prime is 64871341. The next prime is 64871383. The reversal of 64871353 is 35317846.

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

It can be written as a sum of positive squares in 2 ways, for example, as 25030009 + 39841344 = 5003^2 + 6312^2 .

It is a cyclic number.

It is not a de Polignac number, because 64871353 - 2¹⁷ = 64740281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64871333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167868 + ... + 168253.

It is an arithmetic number, because the mean of its divisors is an integer number (16301917).

Almost surely, 2^64871353 is an apocalyptic number.

It is an amenable number.

64871353 is a deficient number, since it is larger than the sum of its proper divisors (336315).

64871353 is a wasteful number, since it uses less digits than its factorization.

64871353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336314.

The product of its digits is 60480, while the sum is 37.

The square root of 64871353 is about 8054.2754484808. The cubic root of 64871353 is about 401.8071420488.

The spelling of 64871353 in words is "sixty-four million, eight hundred seventy-one thousand, three hundred fifty-three".