281930483 has 2 divisors, whose sum is σ = 281930484. Its totient is φ = 281930482.

The previous prime is 281930449. The next prime is 281930507. The reversal of 281930483 is 384039182.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 281930483 - 2⁶ = 281930419 is a prime.

It is a super-2 number, since 2×281930483² = 158969594489226578, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (281930413) 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 as a sum of consecutive naturals, namely, 140965241 + 140965242.

It is an arithmetic number, because the mean of its divisors is an integer number (140965242).

Almost surely, 2^281930483 is an apocalyptic number.

281930483 is a deficient number, since it is larger than the sum of its proper divisors (1).

281930483 is an equidigital number, since it uses as much as digits as its factorization.

281930483 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 281930483 is about 16790.7856576159. The cubic root of 281930483 is about 655.7133288815.

The spelling of 281930483 in words is "two hundred eighty-one million, nine hundred thirty thousand, four hundred eighty-three".