64871153 has 4 divisors (see below), whose sum is σ = 65445348. Its totient is φ = 64296960.

The previous prime is 64871137. The next prime is 64871159. The reversal of 64871153 is 35117846.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35117846 = 2 ⋅17558923.

It can be written as a sum of positive squares in 2 ways, for example, as 21086464 + 43784689 = 4592^2 + 6617^2 .

It is a cyclic number.

It is not a de Polignac number, because 64871153 - 2⁴ = 64871137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64871159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286928 + ... + 287153.

It is an arithmetic number, because the mean of its divisors is an integer number (16361337).

Almost surely, 2^64871153 is an apocalyptic number.

It is an amenable number.

64871153 is a deficient number, since it is larger than the sum of its proper divisors (574195).

64871153 is a wasteful number, since it uses less digits than its factorization.

64871153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574194.

The product of its digits is 20160, while the sum is 35.

The square root of 64871153 is about 8054.2630327051. The cubic root of 64871153 is about 401.8067291213.

Adding to 64871153 its reverse (35117846), we get a palindrome (99988999).

The spelling of 64871153 in words is "sixty-four million, eight hundred seventy-one thousand, one hundred fifty-three".