248237871 has 24 divisors (see below), whose sum is σ = 385622784. Its totient is φ = 141629040.

The previous prime is 248237867. The next prime is 248237911. The reversal of 248237871 is 178732842.

It is not a de Polignac number, because 248237871 - 2² = 248237867 is a prime.

It is a super-2 number, since 2×248237871² = 123244081197225282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248237851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161376 + ... + 162906.

It is an arithmetic number, because the mean of its divisors is an integer number (16067616).

Almost surely, 2^248237871 is an apocalyptic number.

248237871 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

248237871 is a deficient number, since it is larger than the sum of its proper divisors (137384913).

248237871 is a wasteful number, since it uses less digits than its factorization.

248237871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2651 (or 2644 counting only the distinct ones).

The product of its digits is 150528, while the sum is 42.

The square root of 248237871 is about 15755.5663497064. The cubic root of 248237871 is about 628.4769381601.

The spelling of 248237871 in words is "two hundred forty-eight million, two hundred thirty-seven thousand, eight hundred seventy-one".