616871 has 2 divisors, whose sum is σ = 616872. Its totient is φ = 616870.

The previous prime is 616849. The next prime is 616877. The reversal of 616871 is 178616.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 616871 - 2¹⁴ = 600487 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308435 + 308436.

It is an arithmetic number, because the mean of its divisors is an integer number (308436).

2⁶¹⁶⁸⁷¹ is an apocalyptic number.

616871 is a deficient number, since it is larger than the sum of its proper divisors (1).

616871 is an equidigital number, since it uses as much as digits as its factorization.

616871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 29.

The square root of 616871 is about 785.4113571881. The cubic root of 616871 is about 85.1265013755.

The spelling of 616871 in words is "six hundred sixteen thousand, eight hundred seventy-one".