1571171053 has 2 divisors, whose sum is σ = 1571171054. Its totient is φ = 1571171052.

The previous prime is 1571171051. The next prime is 1571171057. The reversal of 1571171053 is 3501711751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1571171044 + 9 = 39638^2 + 3^2 .

It is a cyclic number.

It is not a de Polignac number, because 1571171053 - 2¹ = 1571171051 is a prime.

Together with 1571171051, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1571171051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 785585526 + 785585527.

It is an arithmetic number, because the mean of its divisors is an integer number (785585527).

Almost surely, 2^1571171053 is an apocalyptic number.

It is an amenable number.

1571171053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1571171053 is an equidigital number, since it uses as much as digits as its factorization.

1571171053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3675, while the sum is 31.

The square root of 1571171053 is about 39638.0001135274. Note that the first 3 decimals coincide. The cubic root of 1571171053 is about 1162.5397812417.

The spelling of 1571171053 in words is "one billion, five hundred seventy-one million, one hundred seventy-one thousand, fifty-three".