64415241 has 48 divisors (see below), whose sum is σ = 106229760. Its totient is φ = 37260000.

The previous prime is 64415237. The next prime is 64415243. The reversal of 64415241 is 14251446.

64415241 is a `hidden beast` number, since 6 + 4 + 415 + 241 = 666.

It is not a de Polignac number, because 64415241 - 2² = 64415237 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64415243) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 426516 + ... + 426666.

It is an arithmetic number, because the mean of its divisors is an integer number (2213120).

Almost surely, 2^64415241 is an apocalyptic number.

It is an amenable number.

64415241 is a deficient number, since it is larger than the sum of its proper divisors (41814519).

64415241 is a wasteful number, since it uses less digits than its factorization.

64415241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 335 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 64415241 is about 8025.9106025422. The cubic root of 64415241 is about 400.8632211995.

Adding to 64415241 its reverse (14251446), we get a palindrome (78666687).

The spelling of 64415241 in words is "sixty-four million, four hundred fifteen thousand, two hundred forty-one".