2501601161 has 8 divisors (see below), whose sum is σ = 2724067200. Its totient is φ = 2288215440.

The previous prime is 2501601143. The next prime is 2501601173. The reversal of 2501601161 is 1611061052.

2501601161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2501601161 - 2³⁰ = 1427859337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2501601061) 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, 2269505 + ... + 2270606.

It is an arithmetic number, because the mean of its divisors is an integer number (340508400).

Almost surely, 2^2501601161 is an apocalyptic number.

It is an amenable number.

2501601161 is a deficient number, since it is larger than the sum of its proper divisors (222466039).

2501601161 is a wasteful number, since it uses less digits than its factorization.

2501601161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4540159.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 2501601161 is about 50016.0090471041. The cubic root of 2501601161 is about 1357.4984944367.

The spelling of 2501601161 in words is "two billion, five hundred one million, six hundred one thousand, one hundred sixty-one".