612848217 has 8 divisors (see below), whose sum is σ = 817255296. Its totient is φ = 408503312.

The previous prime is 612848191. The next prime is 612848221. The reversal of 612848217 is 712848216.

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 612848217 - 2⁶ = 612848153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (612848227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17488 + ... + 39134.

It is an arithmetic number, because the mean of its divisors is an integer number (102156912).

Almost surely, 2^612848217 is an apocalyptic number.

It is an amenable number.

612848217 is a deficient number, since it is larger than the sum of its proper divisors (204407079).

612848217 is a wasteful number, since it uses less digits than its factorization.

612848217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31087.

The product of its digits is 43008, while the sum is 39.

The square root of 612848217 is about 24755.7713876987. The cubic root of 612848217 is about 849.4105334044.

Subtracting 612848217 from its reverse (712848216), we obtain a palindrome (99999999).

It can be divided in two parts, 6128 and 48217, that added together give a palindrome (54345).

The spelling of 612848217 in words is "six hundred twelve million, eight hundred forty-eight thousand, two hundred seventeen".