1601536393 has 2 divisors, whose sum is σ = 1601536394. Its totient is φ = 1601536392.

The previous prime is 1601536381. The next prime is 1601536441. The reversal of 1601536393 is 3936351061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 939606409 + 661929984 = 30653^2 + 25728^2 .

It is a cyclic number.

It is not a de Polignac number, because 1601536393 - 2⁵ = 1601536361 is a prime.

It is not a weakly prime, because it can be changed into another prime (1601536193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800768196 + 800768197.

It is an arithmetic number, because the mean of its divisors is an integer number (800768197).

Almost surely, 2^1601536393 is an apocalyptic number.

It is an amenable number.

1601536393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1601536393 is an equidigital number, since it uses as much as digits as its factorization.

1601536393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43740, while the sum is 37.

The square root of 1601536393 is about 40019.2003043539. The cubic root of 1601536393 is about 1169.9813455520.

The spelling of 1601536393 in words is "one billion, six hundred one million, five hundred thirty-six thousand, three hundred ninety-three".