64424241 has 20 divisors (see below), whose sum is σ = 109988032. Its totient is φ = 36813528.

The previous prime is 64424233. The next prime is 64424249. The reversal of 64424241 is 14242446.

It is a happy number.

64424241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (64424233) and next prime (64424249).

It is not a de Polignac number, because 64424241 - 2³ = 64424233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64424249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 56245 + ... + 57378.

Almost surely, 2^64424241 is an apocalyptic number.

It is an amenable number.

64424241 is a deficient number, since it is larger than the sum of its proper divisors (45563791).

64424241 is a wasteful number, since it uses less digits than its factorization.

64424241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113642 (or 113633 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 64424241 is about 8026.4712670015. The cubic root of 64424241 is about 400.8818896643.

Adding to 64424241 its reverse (14242446), we get a palindrome (78666687).

The spelling of 64424241 in words is "sixty-four million, four hundred twenty-four thousand, two hundred forty-one".