282140647 has 2 divisors, whose sum is σ = 282140648. Its totient is φ = 282140646.

The previous prime is 282140629. The next prime is 282140689. The reversal of 282140647 is 746041282.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 282140647 - 2¹¹ = 282138599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (282141647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141070323 + 141070324.

It is an arithmetic number, because the mean of its divisors is an integer number (141070324).

Almost surely, 2^282140647 is an apocalyptic number.

282140647 is a deficient number, since it is larger than the sum of its proper divisors (1).

282140647 is an equidigital number, since it uses as much as digits as its factorization.

282140647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 282140647 is about 16797.0428052083. The cubic root of 282140647 is about 655.8762214099.

The spelling of 282140647 in words is "two hundred eighty-two million, one hundred forty thousand, six hundred forty-seven".