617471 has 2 divisors, whose sum is σ = 617472. Its totient is φ = 617470.

The previous prime is 617467. The next prime is 617473. The reversal of 617471 is 174716.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 617471 - 2² = 617467 is a prime.

It is a super-3 number, since 3×617471³ = 706270311867534333, which contains 333 as substring.

Together with 617473, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 617471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (617473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308735 + 308736.

It is an arithmetic number, because the mean of its divisors is an integer number (308736).

2⁶¹⁷⁴⁷¹ is an apocalyptic number.

617471 is a deficient number, since it is larger than the sum of its proper divisors (1).

617471 is an equidigital number, since it uses as much as digits as its factorization.

617471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1176, while the sum is 26.

The square root of 617471 is about 785.7932298003. The cubic root of 617471 is about 85.1540918820.

The spelling of 617471 in words is "six hundred seventeen thousand, four hundred seventy-one".