1601536073 has 2 divisors, whose sum is σ = 1601536074. Its totient is φ = 1601536072.

The previous prime is 1601536067. The next prime is 1601536099. The reversal of 1601536073 is 3706351061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 888218809 + 713317264 = 29803^2 + 26708^2 .

It is a cyclic number.

It is not a de Polignac number, because 1601536073 - 2¹² = 1601531977 is a prime.

It is a super-2 number, since 2×1601536073² = 5129835586240522658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1601536873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800768036 + 800768037.

It is an arithmetic number, because the mean of its divisors is an integer number (800768037).

Almost surely, 2^1601536073 is an apocalyptic number.

It is an amenable number.

1601536073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1601536073 is an equidigital number, since it uses as much as digits as its factorization.

1601536073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 1601536073 is about 40019.1963062728. The cubic root of 1601536073 is about 1169.9812676281.

The spelling of 1601536073 in words is "one billion, six hundred one million, five hundred thirty-six thousand, seventy-three".