1601588741 has 2 divisors, whose sum is σ = 1601588742. Its totient is φ = 1601588740.

The previous prime is 1601588701. The next prime is 1601588753. The reversal of 1601588741 is 1478851061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1506604225 + 94984516 = 38815^2 + 9746^2 .

It is an emirp because it is prime and its reverse (1478851061) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1601588741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1601588701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800794370 + 800794371.

It is an arithmetic number, because the mean of its divisors is an integer number (800794371).

Almost surely, 2^1601588741 is an apocalyptic number.

It is an amenable number.

1601588741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1601588741 is an equidigital number, since it uses as much as digits as its factorization.

1601588741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 41.

The square root of 1601588741 is about 40019.8543350672. The cubic root of 1601588741 is about 1169.9940927941.

The spelling of 1601588741 in words is "one billion, six hundred one million, five hundred eighty-eight thousand, seven hundred forty-one".