614609 has 2 divisors, whose sum is σ = 614610. Its totient is φ = 614608.

The previous prime is 614569. The next prime is 614611. The reversal of 614609 is 906416.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 490000 + 124609 = 700^2 + 353^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-614609 is a prime.

Together with 614611, it forms a pair of twin primes.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 614609.

It is not a weakly prime, because it can be changed into another prime (614639) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307304 + 307305.

It is an arithmetic number, because the mean of its divisors is an integer number (307305).

2⁶¹⁴⁶⁰⁹ is an apocalyptic number.

It is an amenable number.

614609 is a deficient number, since it is larger than the sum of its proper divisors (1).

614609 is an equidigital number, since it uses as much as digits as its factorization.

614609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 614609 is about 783.9700249372. The cubic root of 614609 is about 85.0223240095.

The spelling of 614609 in words is "six hundred fourteen thousand, six hundred nine".