1608433 has 2 divisors, whose sum is σ = 1608434. Its totient is φ = 1608432.

The previous prime is 1608401. The next prime is 1608437. The reversal of 1608433 is 3348061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1238769 + 369664 = 1113^2 + 608^2 .

It is an emirp because it is prime and its reverse (3348061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1608433 - 2⁵ = 1608401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1608398 and 1608407.

It is not a weakly prime, because it can be changed into another prime (1608437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 804216 + 804217.

It is an arithmetic number, because the mean of its divisors is an integer number (804217).

2^1608433 is an apocalyptic number.

It is an amenable number.

1608433 is a deficient number, since it is larger than the sum of its proper divisors (1).

1608433 is an equidigital number, since it uses as much as digits as its factorization.

1608433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1608433 is about 1268.2401192203. The cubic root of 1608433 is about 117.1658349164.

Adding to 1608433 its product of nonzero digits (1728), we get a palindrome (1610161).

The spelling of 1608433 in words is "one million, six hundred eight thousand, four hundred thirty-three".