64887241 has 4 divisors (see below), whose sum is σ = 64941184. Its totient is φ = 64833300.

The previous prime is 64887227. The next prime is 64887271. The reversal of 64887241 is 14278846.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64887241 - 2²⁵ = 31332809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64887194 and 64887203.

It is not an unprimeable number, because it can be changed into a prime (64887271) 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, 25125 + ... + 27586.

It is an arithmetic number, because the mean of its divisors is an integer number (16235296).

Almost surely, 2^64887241 is an apocalyptic number.

It is an amenable number.

64887241 is a deficient number, since it is larger than the sum of its proper divisors (53943).

64887241 is a wasteful number, since it uses less digits than its factorization.

64887241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53942.

The product of its digits is 86016, while the sum is 40.

The square root of 64887241 is about 8055.2616965559. The cubic root of 64887241 is about 401.8399423039.

The spelling of 64887241 in words is "sixty-four million, eight hundred eighty-seven thousand, two hundred forty-one".