2585200171 has 2 divisors, whose sum is σ = 2585200172. Its totient is φ = 2585200170.

The previous prime is 2585200153. The next prime is 2585200229. The reversal of 2585200171 is 1710025852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2585200171 - 2⁵ = 2585200139 is a prime.

It is not a weakly prime, because it can be changed into another prime (2585200771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1292600085 + 1292600086.

It is an arithmetic number, because the mean of its divisors is an integer number (1292600086).

Almost surely, 2^2585200171 is an apocalyptic number.

2585200171 is a deficient number, since it is larger than the sum of its proper divisors (1).

2585200171 is an equidigital number, since it uses as much as digits as its factorization.

2585200171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 2585200171 is about 50844.8637622327. The cubic root of 2585200171 is about 1372.4548259800.

The spelling of 2585200171 in words is "two billion, five hundred eighty-five million, two hundred thousand, one hundred seventy-one".