1601003217 has 16 divisors (see below), whose sum is σ = 2351793600. Its totient is φ = 960696000.

The previous prime is 1601003197. The next prime is 1601003267. The reversal of 1601003217 is 7123001061.

It is not a de Polignac number, because 1601003217 - 2²⁴ = 1584226001 is a prime.

It is a super-2 number, since 2×1601003217² = 5126422601688698178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1601003193 and 1601003202.

It is not an unprimeable number, because it can be changed into a prime (1601003267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236842 + ... + 243507.

It is an arithmetic number, because the mean of its divisors is an integer number (146987100).

Almost surely, 2^1601003217 is an apocalyptic number.

It is an amenable number.

1601003217 is a deficient number, since it is larger than the sum of its proper divisors (750790383).

1601003217 is a wasteful number, since it uses less digits than its factorization.

1601003217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480464.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 1601003217 is about 40012.5382474044. The cubic root of 1601003217 is about 1169.8514962369.

Adding to 1601003217 its reverse (7123001061), we get a palindrome (8724004278).

The spelling of 1601003217 in words is "one billion, six hundred one million, three thousand, two hundred seventeen".