285268534 has 16 divisors (see below), whose sum is σ = 468698400. Its totient is φ = 129614464.

The previous prime is 285268519. The next prime is 285268537. The reversal of 285268534 is 435862582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285268537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143674 + ... + 145645.

It is an arithmetic number, because the mean of its divisors is an integer number (29293650).

Almost surely, 2^285268534 is an apocalyptic number.

285268534 is a deficient number, since it is larger than the sum of its proper divisors (183429866).

285268534 is a wasteful number, since it uses less digits than its factorization.

285268534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289367.

The product of its digits is 460800, while the sum is 43.

The square root of 285268534 is about 16889.8944342468. The cubic root of 285268534 is about 658.2910594159.

The spelling of 285268534 in words is "two hundred eighty-five million, two hundred sixty-eight thousand, five hundred thirty-four".