283148681 has 2 divisors, whose sum is σ = 283148682. Its totient is φ = 283148680.

The previous prime is 283148669. The next prime is 283148683. The reversal of 283148681 is 186841382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 270898681 + 12250000 = 16459^2 + 3500^2 .

It is a cyclic number.

It is not a de Polignac number, because 283148681 - 2¹⁸ = 282886537 is a prime.

It is a super-2 number, since 2×283148681² = 160346351104079522, which contains 22 as substring.

Together with 283148683, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (283148683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141574340 + 141574341.

It is an arithmetic number, because the mean of its divisors is an integer number (141574341).

Almost surely, 2^283148681 is an apocalyptic number.

It is an amenable number.

283148681 is a deficient number, since it is larger than the sum of its proper divisors (1).

283148681 is an equidigital number, since it uses as much as digits as its factorization.

283148681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73728, while the sum is 41.

The square root of 283148681 is about 16827.0223450259. The cubic root of 283148681 is about 656.6563993287.

The spelling of 283148681 in words is "two hundred eighty-three million, one hundred forty-eight thousand, six hundred eighty-one".