3601281 has 8 divisors (see below), whose sum is σ = 4904064. Its totient is φ = 2349680.

The previous prime is 3601267. The next prime is 3601291. The reversal of 3601281 is 1821063.

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 3601281 - 2¹³ = 3593089 is a prime.

It is a super-2 number, since 2×3601281² = 25938449681922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3601211) 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, 12630 + ... + 12911.

It is an arithmetic number, because the mean of its divisors is an integer number (613008).

Almost surely, 2^3601281 is an apocalyptic number.

It is an amenable number.

3601281 is a deficient number, since it is larger than the sum of its proper divisors (1302783).

3601281 is a wasteful number, since it uses less digits than its factorization.

3601281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25591.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 3601281 is about 1897.7041392166. The cubic root of 3601281 is about 153.2800628856.

The spelling of 3601281 in words is "three million, six hundred one thousand, two hundred eighty-one".