617276213 has 4 divisors (see below), whose sum is σ = 628922988. Its totient is φ = 605629440.

The previous prime is 617276203. The next prime is 617276243. The reversal of 617276213 is 312672716.

617276213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 338486404 + 278789809 = 18398^2 + 16697^2 .

It is a cyclic number.

It is not a de Polignac number, because 617276213 - 2²⁶ = 550167349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (617276203) 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, 5823308 + ... + 5823413.

It is an arithmetic number, because the mean of its divisors is an integer number (157230747).

Almost surely, 2^617276213 is an apocalyptic number.

It is an amenable number.

617276213 is a deficient number, since it is larger than the sum of its proper divisors (11646775).

617276213 is a wasteful number, since it uses less digits than its factorization.

617276213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11646774.

The product of its digits is 21168, while the sum is 35.

The square root of 617276213 is about 24845.0440329656. The cubic root of 617276213 is about 851.4513672214.

The spelling of 617276213 in words is "six hundred seventeen million, two hundred seventy-six thousand, two hundred thirteen".