1608461 has 2 divisors, whose sum is σ = 1608462. Its totient is φ = 1608460.

The previous prime is 1608449. The next prime is 1608463. The reversal of 1608461 is 1648061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1485961 + 122500 = 1219^2 + 350^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1608461 is a prime.

Together with 1608463, 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 1608461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1608463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 804230 + 804231.

It is an arithmetic number, because the mean of its divisors is an integer number (804231).

2^1608461 is an apocalyptic number.

It is an amenable number.

1608461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1608461 is an equidigital number, since it uses as much as digits as its factorization.

1608461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1608461 is about 1268.2511580913. The cubic root of 1608461 is about 117.1665147964.

The spelling of 1608461 in words is "one million, six hundred eight thousand, four hundred sixty-one".