248456851 has 2 divisors, whose sum is σ = 248456852. Its totient is φ = 248456850.

The previous prime is 248456849. The next prime is 248456893. The reversal of 248456851 is 158654842.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 248456851 - 2¹ = 248456849 is a prime.

Together with 248456849, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 248456798 and 248456807.

It is not a weakly prime, because it can be changed into another prime (248456251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124228425 + 124228426.

It is an arithmetic number, because the mean of its divisors is an integer number (124228426).

Almost surely, 2^248456851 is an apocalyptic number.

248456851 is a deficient number, since it is larger than the sum of its proper divisors (1).

248456851 is an equidigital number, since it uses as much as digits as its factorization.

248456851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 307200, while the sum is 43.

The square root of 248456851 is about 15762.5141078446. The cubic root of 248456851 is about 628.6616849267.

The spelling of 248456851 in words is "two hundred forty-eight million, four hundred fifty-six thousand, eight hundred fifty-one".