248605547 has 2 divisors, whose sum is σ = 248605548. Its totient is φ = 248605546.

The previous prime is 248605507. The next prime is 248605549. The reversal of 248605547 is 745506842.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 248605547 - 2¹⁰ = 248604523 is a prime.

Together with 248605549, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (248605549) 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, 124302773 + 124302774.

It is an arithmetic number, because the mean of its divisors is an integer number (124302774).

Almost surely, 2^248605547 is an apocalyptic number.

248605547 is a deficient number, since it is larger than the sum of its proper divisors (1).

248605547 is an equidigital number, since it uses as much as digits as its factorization.

248605547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 268800, while the sum is 41.

The square root of 248605547 is about 15767.2301625872. The cubic root of 248605547 is about 628.7870733462.

The spelling of 248605547 in words is "two hundred forty-eight million, six hundred five thousand, five hundred forty-seven".