64853417 has 4 divisors (see below), whose sum is σ = 66361680. Its totient is φ = 63345156.

The previous prime is 64853389. The next prime is 64853447. The reversal of 64853417 is 71435846.

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, and also an emirpimes, since its reverse is a distinct semiprime: 71435846 = 2 ⋅35717923.

It is a cyclic number.

It is not a de Polignac number, because 64853417 - 2¹⁰ = 64852393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64853447) 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, 754067 + ... + 754152.

It is an arithmetic number, because the mean of its divisors is an integer number (16590420).

Almost surely, 2^64853417 is an apocalyptic number.

It is an amenable number.

64853417 is a deficient number, since it is larger than the sum of its proper divisors (1508263).

64853417 is a wasteful number, since it uses less digits than its factorization.

64853417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508262.

The product of its digits is 80640, while the sum is 38.

The square root of 64853417 is about 8053.1619256041. The cubic root of 64853417 is about 401.7701073288.

The spelling of 64853417 in words is "sixty-four million, eight hundred fifty-three thousand, four hundred seventeen".