248868081 has 36 divisors (see below), whose sum is σ = 451587136. Its totient is φ = 129278160.

The previous prime is 248868041. The next prime is 248868089. The reversal of 248868081 is 180868842.

It is a happy number.

It is not a de Polignac number, because 248868081 - 2⁶ = 248868017 is a prime.

It is a super-2 number, since 2×248868081² = 123870643481245122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (248868089) 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 in 35 ways as a sum of consecutive naturals, for example, 8701 + ... + 23946.

Almost surely, 2^248868081 is an apocalyptic number.

248868081 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

248868081 is a deficient number, since it is larger than the sum of its proper divisors (202719055).

248868081 is a wasteful number, since it uses less digits than its factorization.

248868081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32682 (or 32668 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 45.

The square root of 248868081 is about 15775.5532708048. The cubic root of 248868081 is about 629.0083340444.

The spelling of 248868081 in words is "two hundred forty-eight million, eight hundred sixty-eight thousand, eighty-one".