1601613353 has 2 divisors, whose sum is σ = 1601613354. Its totient is φ = 1601613352.

The previous prime is 1601613347. The next prime is 1601613371. The reversal of 1601613353 is 3533161061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1550233129 + 51380224 = 39373^2 + 7168^2 .

It is an emirp because it is prime and its reverse (3533161061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1601613353 - 2⁴ = 1601613337 is a prime.

It is not a weakly prime, because it can be changed into another prime (1601613253) 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, 800806676 + 800806677.

It is an arithmetic number, because the mean of its divisors is an integer number (800806677).

Almost surely, 2^1601613353 is an apocalyptic number.

It is an amenable number.

1601613353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1601613353 is an equidigital number, since it uses as much as digits as its factorization.

1601613353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 1601613353 is about 40020.1618312570. The cubic root of 1601613353 is about 1170.0000859571. Note that the first 4 decimals are identical.

The spelling of 1601613353 in words is "one billion, six hundred one million, six hundred thirteen thousand, three hundred fifty-three".