1608241 has 2 divisors, whose sum is σ = 1608242. Its totient is φ = 1608240.

The previous prime is 1608239. The next prime is 1608259. The reversal of 1608241 is 1428061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 992016 + 616225 = 996^2 + 785^2 .

It is a cyclic number.

It is not a de Polignac number, because 1608241 - 2¹ = 1608239 is a prime.

It is a super-2 number, since 2×1608241² = 5172878228162, which contains 22 as substring.

Together with 1608239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1608041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 804120 + 804121.

It is an arithmetic number, because the mean of its divisors is an integer number (804121).

2^1608241 is an apocalyptic number.

It is an amenable number.

1608241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1608241 is an equidigital number, since it uses as much as digits as its factorization.

1608241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1608241 is about 1268.1644215164. The cubic root of 1608241 is about 117.1611726695.

It can be divided in two parts, 1608 and 241, that added together give a square (1849 = 43²).

The spelling of 1608241 in words is "one million, six hundred eight thousand, two hundred forty-one".