285234671 has 2 divisors, whose sum is σ = 285234672. Its totient is φ = 285234670.

The previous prime is 285234647. The next prime is 285234679. The reversal of 285234671 is 176432582.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 285234671 - 2¹⁴ = 285218287 is a prime.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 285234671 parts by 23884 straight cuts.

It is equal to p_15494807 and since 285234671 and 15494807 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285234679) 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, 142617335 + 142617336.

It is an arithmetic number, because the mean of its divisors is an integer number (142617336).

Almost surely, 2^285234671 is an apocalyptic number.

285234671 is a deficient number, since it is larger than the sum of its proper divisors (1).

285234671 is an equidigital number, since it uses as much as digits as its factorization.

285234671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 38.

The square root of 285234671 is about 16888.8919411547. The cubic root of 285234671 is about 658.2650107522.

The spelling of 285234671 in words is "two hundred eighty-five million, two hundred thirty-four thousand, six hundred seventy-one".