285275567 has 2 divisors, whose sum is σ = 285275568. Its totient is φ = 285275566.

The previous prime is 285275533. The next prime is 285275569. The reversal of 285275567 is 765572582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 285275567 - 2¹⁶ = 285210031 is a prime.

Together with 285275569, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285275569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142637783 + 142637784.

It is an arithmetic number, because the mean of its divisors is an integer number (142637784).

Almost surely, 2^285275567 is an apocalyptic number.

285275567 is a deficient number, since it is larger than the sum of its proper divisors (1).

285275567 is an equidigital number, since it uses as much as digits as its factorization.

285275567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1176000, while the sum is 47.

The square root of 285275567 is about 16890.1026343832. The cubic root of 285275567 is about 658.2964691993.

The spelling of 285275567 in words is "two hundred eighty-five million, two hundred seventy-five thousand, five hundred sixty-seven".