248704571 has 2 divisors, whose sum is σ = 248704572. Its totient is φ = 248704570.

The previous prime is 248704517. The next prime is 248704579. The reversal of 248704571 is 175407842.

Together with previous prime (248704517) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 248704571 - 2⁶ = 248704507 is a prime.

It is not a weakly prime, because it can be changed into another prime (248704579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124352285 + 124352286.

It is an arithmetic number, because the mean of its divisors is an integer number (124352286).

Almost surely, 2^248704571 is an apocalyptic number.

248704571 is a deficient number, since it is larger than the sum of its proper divisors (1).

248704571 is an equidigital number, since it uses as much as digits as its factorization.

248704571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62720, while the sum is 38.

The square root of 248704571 is about 15770.3700337056. The cubic root of 248704571 is about 628.8705479464.

The spelling of 248704571 in words is "two hundred forty-eight million, seven hundred four thousand, five hundred seventy-one".