2500171 has 2 divisors, whose sum is σ = 2500172. Its totient is φ = 2500170.

The previous prime is 2500163. The next prime is 2500187. The reversal of 2500171 is 1710052.

It is an a-pointer prime, because the next prime (2500187) can be obtained adding 2500171 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2500171 - 2³ = 2500163 is a prime.

It is not a weakly prime, because it can be changed into another prime (2500151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250085 + 1250086.

It is an arithmetic number, because the mean of its divisors is an integer number (1250086).

2^2500171 is an apocalyptic number.

2500171 is a deficient number, since it is larger than the sum of its proper divisors (1).

2500171 is an equidigital number, since it uses as much as digits as its factorization.

2500171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 2500171 is about 1581.1929041075. The cubic root of 2500171 is about 135.7239751953.

The spelling of 2500171 in words is "two million, five hundred thousand, one hundred seventy-one".