248971 has 2 divisors, whose sum is σ = 248972. Its totient is φ = 248970.

The previous prime is 248909. The next prime is 248981. The reversal of 248971 is 179842.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 248971 - 2¹¹ = 246923 is a prime.

It is not a weakly prime, because it can be changed into another prime (248981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124485 + 124486.

It is an arithmetic number, because the mean of its divisors is an integer number (124486).

2²⁴⁸⁹⁷¹ is an apocalyptic number.

248971 is a deficient number, since it is larger than the sum of its proper divisors (1).

248971 is an equidigital number, since it uses as much as digits as its factorization.

248971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 31.

The square root of 248971 is about 498.9699389743. The cubic root of 248971 is about 62.9095030561.

The spelling of 248971 in words is "two hundred forty-eight thousand, nine hundred seventy-one".