1603141601 has 8 divisors (see below), whose sum is σ = 1630000680. Its totient is φ = 1576493568.

The previous prime is 1603141591. The next prime is 1603141613. The reversal of 1603141601 is 1061413061.

It can be written as a sum of positive squares in 4 ways, for example, as 1221025 + 1601920576 = 1105^2 + 40024^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1603141601 - 2⁶ = 1603141537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1603141651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37406 + ... + 67863.

It is an arithmetic number, because the mean of its divisors is an integer number (203750085).

Almost surely, 2^1603141601 is an apocalyptic number.

It is an amenable number.

1603141601 is a deficient number, since it is larger than the sum of its proper divisors (26859079).

1603141601 is a wasteful number, since it uses less digits than its factorization.

1603141601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105523.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1603141601 is about 40039.2507547282. The cubic root of 1603141601 is about 1170.3721028933.

Adding to 1603141601 its reverse (1061413061), we get a palindrome (2664554662).

The spelling of 1603141601 in words is "one billion, six hundred three million, one hundred forty-one thousand, six hundred one".