284265253 has 2 divisors, whose sum is σ = 284265254. Its totient is φ = 284265252.

The previous prime is 284265239. The next prime is 284265263. The reversal of 284265253 is 352562482.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 276324129 + 7941124 = 16623^2 + 2818^2 .

It is a cyclic number.

It is not a de Polignac number, because 284265253 - 2⁹ = 284264741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (284265263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142132626 + 142132627.

It is an arithmetic number, because the mean of its divisors is an integer number (142132627).

Almost surely, 2^284265253 is an apocalyptic number.

It is an amenable number.

284265253 is a deficient number, since it is larger than the sum of its proper divisors (1).

284265253 is an equidigital number, since it uses as much as digits as its factorization.

284265253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 115200, while the sum is 37.

The square root of 284265253 is about 16860.1676444809. The cubic root of 284265253 is about 657.5184228623.

The spelling of 284265253 in words is "two hundred eighty-four million, two hundred sixty-five thousand, two hundred fifty-three".