284651 has 2 divisors, whose sum is σ = 284652. Its totient is φ = 284650.

The previous prime is 284633. The next prime is 284657. The reversal of 284651 is 156482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 284651 - 2⁶ = 284587 is a prime.

It is a Chen prime.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 284651.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 284651.

It is not a weakly prime, because it can be changed into another prime (284657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142325 + 142326.

It is an arithmetic number, because the mean of its divisors is an integer number (142326).

2²⁸⁴⁶⁵¹ is an apocalyptic number.

284651 is a deficient number, since it is larger than the sum of its proper divisors (1).

284651 is an equidigital number, since it uses as much as digits as its factorization.

284651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 26.

The square root of 284651 is about 533.5269440244. The cubic root of 284651 is about 65.7815705201.

The spelling of 284651 in words is "two hundred eighty-four thousand, six hundred fifty-one".