1601308073 has 2 divisors, whose sum is σ = 1601308074. Its totient is φ = 1601308072.

The previous prime is 1601308067. The next prime is 1601308099. The reversal of 1601308073 is 3708031061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 958026304 + 643281769 = 30952^2 + 25363^2 .

It is a cyclic number.

It is not a de Polignac number, because 1601308073 - 2¹⁴ = 1601291689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1601308873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800654036 + 800654037.

It is an arithmetic number, because the mean of its divisors is an integer number (800654037).

Almost surely, 2^1601308073 is an apocalyptic number.

It is an amenable number.

1601308073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1601308073 is an equidigital number, since it uses as much as digits as its factorization.

1601308073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 1601308073 is about 40016.3475719611. The cubic root of 1601308073 is about 1169.9257441855.

The spelling of 1601308073 in words is "one billion, six hundred one million, three hundred eight thousand, seventy-three".