2501171 has 2 divisors, whose sum is σ = 2501172. Its totient is φ = 2501170.

The previous prime is 2501143. The next prime is 2501189. The reversal of 2501171 is 1711052.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2501171 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2501101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250585 + 1250586.

It is an arithmetic number, because the mean of its divisors is an integer number (1250586).

2^2501171 is an apocalyptic number.

2501171 is a deficient number, since it is larger than the sum of its proper divisors (1).

2501171 is an equidigital number, since it uses as much as digits as its factorization.

2501171 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 17.

The square root of 2501171 is about 1581.5090894459. The cubic root of 2501171 is about 135.7420680756.

The spelling of 2501171 in words is "two million, five hundred one thousand, one hundred seventy-one".