2162457071 has 2 divisors, whose sum is σ = 2162457072. Its totient is φ = 2162457070.

The previous prime is 2162457047. The next prime is 2162457083. The reversal of 2162457071 is 1707542612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2162457071 - 2²⁶ = 2095348207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2162457041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081228535 + 1081228536.

It is an arithmetic number, because the mean of its divisors is an integer number (1081228536).

Almost surely, 2^2162457071 is an apocalyptic number.

2162457071 is a deficient number, since it is larger than the sum of its proper divisors (1).

2162457071 is an equidigital number, since it uses as much as digits as its factorization.

2162457071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 2162457071 is about 46502.2265165874. The cubic root of 2162457071 is about 1293.1507763387.

Adding to 2162457071 its reverse (1707542612), we get a palindrome (3869999683).

The spelling of 2162457071 in words is "two billion, one hundred sixty-two million, four hundred fifty-seven thousand, seventy-one".