248885881 has 2 divisors, whose sum is σ = 248885882. Its totient is φ = 248885880.

The previous prime is 248885873. The next prime is 248885891. The reversal of 248885881 is 188588842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 248220025 + 665856 = 15755^2 + 816^2 .

It is a cyclic number.

It is not a de Polignac number, because 248885881 - 2³ = 248885873 is a prime.

It is a super-2 number, since 2×248885881² = 123888363522292322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (248885891) 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, 124442940 + 124442941.

It is an arithmetic number, because the mean of its divisors is an integer number (124442941).

Almost surely, 2^248885881 is an apocalyptic number.

It is an amenable number.

248885881 is a deficient number, since it is larger than the sum of its proper divisors (1).

248885881 is an equidigital number, since it uses as much as digits as its factorization.

248885881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1310720, while the sum is 52.

The square root of 248885881 is about 15776.1174247658. The cubic root of 248885881 is about 629.0233300500.

The spelling of 248885881 in words is "two hundred forty-eight million, eight hundred eighty-five thousand, eight hundred eighty-one".