1601343433 has 2 divisors, whose sum is σ = 1601343434. Its totient is φ = 1601343432.

The previous prime is 1601343413. The next prime is 1601343449. The reversal of 1601343433 is 3343431061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1556144704 + 45198729 = 39448^2 + 6723^2 .

It is a cyclic number.

It is not a de Polignac number, because 1601343433 - 2⁹ = 1601342921 is a prime.

It is not a weakly prime, because it can be changed into another prime (1601343413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800671716 + 800671717.

It is an arithmetic number, because the mean of its divisors is an integer number (800671717).

Almost surely, 2^1601343433 is an apocalyptic number.

It is an amenable number.

1601343433 is a deficient number, since it is larger than the sum of its proper divisors (1).

1601343433 is an equidigital number, since it uses as much as digits as its factorization.

1601343433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 1601343433 is about 40016.7893889552. The cubic root of 1601343433 is about 1169.9343555349.

Adding to 1601343433 its reverse (3343431061), we get a palindrome (4944774494).

The spelling of 1601343433 in words is "one billion, six hundred one million, three hundred forty-three thousand, four hundred thirty-three".