2562317161 has 2 divisors, whose sum is σ = 2562317162. Its totient is φ = 2562317160.

The previous prime is 2562317141. The next prime is 2562317249. The reversal of 2562317161 is 1617132652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2261953600 + 300363561 = 47560^2 + 17331^2 .

It is a cyclic number.

It is not a de Polignac number, because 2562317161 - 2¹¹ = 2562315113 is a prime.

It is not a weakly prime, because it can be changed into another prime (2562317111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1281158580 + 1281158581.

It is an arithmetic number, because the mean of its divisors is an integer number (1281158581).

Almost surely, 2^2562317161 is an apocalyptic number.

It is an amenable number.

2562317161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2562317161 is an equidigital number, since it uses as much as digits as its factorization.

2562317161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 34.

The square root of 2562317161 is about 50619.3358411586. The cubic root of 2562317161 is about 1368.3933713724.

The spelling of 2562317161 in words is "two billion, five hundred sixty-two million, three hundred seventeen thousand, one hundred sixty-one".