2562321161 has 8 divisors (see below), whose sum is σ = 2573931360. Its totient is φ = 2550732768.

The previous prime is 2562321149. The next prime is 2562321191. The reversal of 2562321161 is 1611232652.

2562321161 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 2562321161 - 2¹⁴ = 2562304777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2562321121) 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, 258230 + ... + 267968.

It is an arithmetic number, because the mean of its divisors is an integer number (321741420).

Almost surely, 2^2562321161 is an apocalyptic number.

It is an amenable number.

2562321161 is a deficient number, since it is larger than the sum of its proper divisors (11610199).

2562321161 is an equidigital number, since it uses as much as digits as its factorization.

2562321161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10903.

The product of its digits is 4320, while the sum is 29.

The square root of 2562321161 is about 50619.3753517366. The cubic root of 2562321161 is about 1368.3940834324.

The spelling of 2562321161 in words is "two billion, five hundred sixty-two million, three hundred twenty-one thousand, one hundred sixty-one".