248537231 has 2 divisors, whose sum is σ = 248537232. Its totient is φ = 248537230.

The previous prime is 248537227. The next prime is 248537257. The reversal of 248537231 is 132735842.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 248537231 - 2² = 248537227 is a prime.

It is a super-2 number, since 2×248537231² = 123541510386294722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 248537191 and 248537200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248537281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124268615 + 124268616.

It is an arithmetic number, because the mean of its divisors is an integer number (124268616).

Almost surely, 2^248537231 is an apocalyptic number.

248537231 is a deficient number, since it is larger than the sum of its proper divisors (1).

248537231 is an equidigital number, since it uses as much as digits as its factorization.

248537231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 35.

The square root of 248537231 is about 15765.0636218190. The cubic root of 248537231 is about 628.7294718518.

The spelling of 248537231 in words is "two hundred forty-eight million, five hundred thirty-seven thousand, two hundred thirty-one".