3601331361 has 20 divisors (see below), whose sum is σ = 5386965012. Its totient is φ = 2397675168.

The previous prime is 3601331339. The next prime is 3601331369. The reversal of 3601331361 is 1631331063.

It can be written as a sum of positive squares in 2 ways, for example, as 3088580625 + 512750736 = 55575^2 + 22644^2 .

It is not a de Polignac number, because 3601331361 - 2⁷ = 3601331233 is a prime.

It is a super-2 number, since 2×3601331361² = 25939175143444224642, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3601331369) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 31951 + ... + 90683.

Almost surely, 2^3601331361 is an apocalyptic number.

It is an amenable number.

3601331361 is a deficient number, since it is larger than the sum of its proper divisors (1785633651).

3601331361 is an equidigital number, since it uses as much as digits as its factorization.

3601331361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59502 (or 59493 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The square root of 3601331361 is about 60011.0936494245. The cubic root of 3601331361 is about 1532.8077738148.

The spelling of 3601331361 in words is "three billion, six hundred one million, three hundred thirty-one thousand, three hundred sixty-one".