248975971 has 2 divisors, whose sum is σ = 248975972. Its totient is φ = 248975970.

The previous prime is 248975963. The next prime is 248976023. The reversal of 248975971 is 179579842.

It is an a-pointer prime, because the next prime (248976023) can be obtained adding 248975971 to its sum of digits (52).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 248975971 - 2³ = 248975963 is a prime.

It is not a weakly prime, because it can be changed into another prime (248975071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124487985 + 124487986.

It is an arithmetic number, because the mean of its divisors is an integer number (124487986).

Almost surely, 2^248975971 is an apocalyptic number.

248975971 is a deficient number, since it is larger than the sum of its proper divisors (1).

248975971 is an equidigital number, since it uses as much as digits as its factorization.

248975971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 52.

The square root of 248975971 is about 15778.9724316890. The cubic root of 248975971 is about 629.0992174077.

The spelling of 248975971 in words is "two hundred forty-eight million, nine hundred seventy-five thousand, nine hundred seventy-one".