282257047 has 2 divisors, whose sum is σ = 282257048. Its totient is φ = 282257046.

The previous prime is 282257009. The next prime is 282257071. The reversal of 282257047 is 740752282.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-282257047 is a prime.

It is a super-3 number, since 3×282257047³ (a number of 26 digits) contains 333 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 282256997 and 282257015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (282257147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141128523 + 141128524.

It is an arithmetic number, because the mean of its divisors is an integer number (141128524).

Almost surely, 2^282257047 is an apocalyptic number.

282257047 is a deficient number, since it is larger than the sum of its proper divisors (1).

282257047 is an equidigital number, since it uses as much as digits as its factorization.

282257047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 282257047 is about 16800.5073435298. The cubic root of 282257047 is about 655.9664051493.

The spelling of 282257047 in words is "two hundred eighty-two million, two hundred fifty-seven thousand, forty-seven".