248875987 has 2 divisors, whose sum is σ = 248875988. Its totient is φ = 248875986.

The previous prime is 248875961. The next prime is 248876011. The reversal of 248875987 is 789578842.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 248875987 - 2⁷ = 248875859 is a prime.

It is not a weakly prime, because it can be changed into another prime (248873987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124437993 + 124437994.

It is an arithmetic number, because the mean of its divisors is an integer number (124437994).

Almost surely, 2^248875987 is an apocalyptic number.

248875987 is a deficient number, since it is larger than the sum of its proper divisors (1).

248875987 is an equidigital number, since it uses as much as digits as its factorization.

248875987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9031680, while the sum is 58.

The square root of 248875987 is about 15775.8038463972. The cubic root of 248875987 is about 629.0149947180.

The spelling of 248875987 in words is "two hundred forty-eight million, eight hundred seventy-five thousand, nine hundred eighty-seven".