64893241 has 4 divisors (see below), whose sum is σ = 74163712. Its totient is φ = 55622772.

The previous prime is 64893239. The next prime is 64893247. The reversal of 64893241 is 14239846.

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 64893241 - 2¹ = 64893239 is a prime.

It is a super-2 number, since 2×64893241² = 8422265454968162, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64893241.

It is not an unprimeable number, because it can be changed into a prime (64893247) 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, 4635225 + ... + 4635238.

It is an arithmetic number, because the mean of its divisors is an integer number (18540928).

Almost surely, 2^64893241 is an apocalyptic number.

It is an amenable number.

64893241 is a deficient number, since it is larger than the sum of its proper divisors (9270471).

64893241 is an equidigital number, since it uses as much as digits as its factorization.

64893241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9270470.

The product of its digits is 41472, while the sum is 37.

The square root of 64893241 is about 8055.6341153257. The cubic root of 64893241 is about 401.8523277144.

It can be divided in two parts, 6489 and 3241, that added together give a triangular number (9730 = T₁₃₉).

The spelling of 64893241 in words is "sixty-four million, eight hundred ninety-three thousand, two hundred forty-one".