64216259 has 8 divisors (see below), whose sum is σ = 68759280. Its totient is φ = 59758336.

The previous prime is 64216247. The next prime is 64216261. The reversal of 64216259 is 95261246.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64216259 - 2⁸ = 64216003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64216279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19709 + ... + 22734.

It is an arithmetic number, because the mean of its divisors is an integer number (8594910).

Almost surely, 2^64216259 is an apocalyptic number.

64216259 is a deficient number, since it is larger than the sum of its proper divisors (4543021).

64216259 is a wasteful number, since it uses less digits than its factorization.

64216259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42549.

The product of its digits is 25920, while the sum is 35.

The square root of 64216259 is about 8013.5047887925. The cubic root of 64216259 is about 400.4500330690.

The spelling of 64216259 in words is "sixty-four million, two hundred sixteen thousand, two hundred fifty-nine".