1601322703 has 2 divisors, whose sum is σ = 1601322704. Its totient is φ = 1601322702.

The previous prime is 1601322689. The next prime is 1601322743. The reversal of 1601322703 is 3072231061.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1601322703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1601322743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800661351 + 800661352.

It is an arithmetic number, because the mean of its divisors is an integer number (800661352).

Almost surely, 2^1601322703 is an apocalyptic number.

1601322703 is a deficient number, since it is larger than the sum of its proper divisors (1).

1601322703 is an equidigital number, since it uses as much as digits as its factorization.

1601322703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 1601322703 is about 40016.5303718351. The cubic root of 1601322703 is about 1169.9293070980.

Adding to 1601322703 its reverse (3072231061), we get a palindrome (4673553764).

The spelling of 1601322703 in words is "one billion, six hundred one million, three hundred twenty-two thousand, seven hundred three".