2586161 has 2 divisors, whose sum is σ = 2586162. Its totient is φ = 2586160.

The previous prime is 2586139. The next prime is 2586167. The reversal of 2586161 is 1616852.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1739761 + 846400 = 1319^2 + 920^2 .

It is a cyclic number.

It is not a de Polignac number, because 2586161 - 2¹⁰ = 2585137 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2586167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1293080 + 1293081.

It is an arithmetic number, because the mean of its divisors is an integer number (1293081).

2^2586161 is an apocalyptic number.

It is an amenable number.

2586161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2586161 is an equidigital number, since it uses as much as digits as its factorization.

2586161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 29.

The square root of 2586161 is about 1608.1545323755. The cubic root of 2586161 is about 137.2624836163.

The spelling of 2586161 in words is "two million, five hundred eighty-six thousand, one hundred sixty-one".