248888971 has 2 divisors, whose sum is σ = 248888972. Its totient is φ = 248888970.

The previous prime is 248888917. The next prime is 248889019. The reversal of 248888971 is 179888842.

Together with previous prime (248888917) 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 248888971 - 2⁹ = 248888459 is a prime.

It is a super-3 number, since 3×248888971³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (248888071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124444485 + 124444486.

It is an arithmetic number, because the mean of its divisors is an integer number (124444486).

Almost surely, 2^248888971 is an apocalyptic number.

248888971 is a deficient number, since it is larger than the sum of its proper divisors (1).

248888971 is an equidigital number, since it uses as much as digits as its factorization.

248888971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2064384, while the sum is 55.

The square root of 248888971 is about 15776.2153573029. The cubic root of 248888971 is about 629.0259332163.

The spelling of 248888971 in words is "two hundred forty-eight million, eight hundred eighty-eight thousand, nine hundred seventy-one".