2872412161 has 2 divisors, whose sum is σ = 2872412162. Its totient is φ = 2872412160.

The previous prime is 2872412149. The next prime is 2872412171. The reversal of 2872412161 is 1612142782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2866959936 + 5452225 = 53544^2 + 2335^2 .

It is a cyclic number.

It is not a de Polignac number, because 2872412161 - 2¹³ = 2872403969 is a prime.

It is not a weakly prime, because it can be changed into another prime (2872412171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1436206080 + 1436206081.

It is an arithmetic number, because the mean of its divisors is an integer number (1436206081).

Almost surely, 2^2872412161 is an apocalyptic number.

It is an amenable number.

2872412161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2872412161 is an equidigital number, since it uses as much as digits as its factorization.

2872412161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 34.

The square root of 2872412161 is about 53594.8893179191. The cubic root of 2872412161 is about 1421.5067259190.

The spelling of 2872412161 in words is "two billion, eight hundred seventy-two million, four hundred twelve thousand, one hundred sixty-one".