285784632253 has 2 divisors, whose sum is σ = 285784632254. Its totient is φ = 285784632252.

The previous prime is 285784632167. The next prime is 285784632271. The reversal of 285784632253 is 352236487582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 285478627204 + 306005049 = 534302^2 + 17493^2 .

It is a cyclic number.

It is not a de Polignac number, because 285784632253 - 2¹⁷ = 285784501181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 285784632194 and 285784632203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285784632953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142892316126 + 142892316127.

It is an arithmetic number, because the mean of its divisors is an integer number (142892316127).

Almost surely, 2^285784632253 is an apocalyptic number.

It is an amenable number.

285784632253 is a deficient number, since it is larger than the sum of its proper divisors (1).

285784632253 is an equidigital number, since it uses as much as digits as its factorization.

285784632253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19353600, while the sum is 55.

The spelling of 285784632253 in words is "two hundred eighty-five billion, seven hundred eighty-four million, six hundred thirty-two thousand, two hundred fifty-three".