282420851 has 2 divisors, whose sum is σ = 282420852. Its totient is φ = 282420850.

The previous prime is 282420811. The next prime is 282420857. The reversal of 282420851 is 158024282.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-282420851 is a prime.

It is equal to p_15350549 and since 282420851 and 15350549 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (282420857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141210425 + 141210426.

It is an arithmetic number, because the mean of its divisors is an integer number (141210426).

Almost surely, 2^282420851 is an apocalyptic number.

282420851 is a deficient number, since it is larger than the sum of its proper divisors (1).

282420851 is an equidigital number, since it uses as much as digits as its factorization.

282420851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 282420851 is about 16805.3816082825. The cubic root of 282420851 is about 656.0932743077.

The spelling of 282420851 in words is "two hundred eighty-two million, four hundred twenty thousand, eight hundred fifty-one".