64871241 has 16 divisors (see below), whose sum is σ = 87721920. Its totient is φ = 42638400.

The previous prime is 64871237. The next prime is 64871309. The reversal of 64871241 is 14217846.

It is not a de Polignac number, because 64871241 - 2² = 64871237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64871221) 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 15 ways as a sum of consecutive naturals, for example, 92191 + ... + 92891.

It is an arithmetic number, because the mean of its divisors is an integer number (5482620).

Almost surely, 2^64871241 is an apocalyptic number.

It is an amenable number.

64871241 is a deficient number, since it is larger than the sum of its proper divisors (22850679).

64871241 is a wasteful number, since it uses less digits than its factorization.

64871241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096.

The product of its digits is 10752, while the sum is 33.

The square root of 64871241 is about 8054.2684956488. The cubic root of 64871241 is about 401.8069108095.

The spelling of 64871241 in words is "sixty-four million, eight hundred seventy-one thousand, two hundred forty-one".