2601361361 has 8 divisors (see below), whose sum is σ = 2625570024. Its totient is φ = 2577173760.

The previous prime is 2601361339. The next prime is 2601361429. The reversal of 2601361361 is 1631631062.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 28944400 + 2572416961 = 5380^2 + 50719^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2601361361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2601361561) 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, 355835 + ... + 363071.

It is an arithmetic number, because the mean of its divisors is an integer number (328196253).

Almost surely, 2^2601361361 is an apocalyptic number.

It is an amenable number.

2601361361 is a deficient number, since it is larger than the sum of its proper divisors (24208663).

2601361361 is a wasteful number, since it uses less digits than its factorization.

2601361361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10531.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 2601361361 is about 51003.5426318604. The cubic root of 2601361361 is about 1375.3088207283.

The spelling of 2601361361 in words is "two billion, six hundred one million, three hundred sixty-one thousand, three hundred sixty-one".