248655331 has 2 divisors, whose sum is σ = 248655332. Its totient is φ = 248655330.

The previous prime is 248655317. The next prime is 248655343. The reversal of 248655331 is 133556842.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 248655331 - 2¹⁷ = 248524259 is a prime.

It is a super-2 number, since 2×248655331² = 123658947269439122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (248655731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124327665 + 124327666.

It is an arithmetic number, because the mean of its divisors is an integer number (124327666).

Almost surely, 2^248655331 is an apocalyptic number.

248655331 is a deficient number, since it is larger than the sum of its proper divisors (1).

248655331 is an equidigital number, since it uses as much as digits as its factorization.

248655331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 37.

The square root of 248655331 is about 15768.8088009209. The cubic root of 248655331 is about 628.8290427052.

The spelling of 248655331 in words is "two hundred forty-eight million, six hundred fifty-five thousand, three hundred thirty-one".