285047061 has 24 divisors (see below), whose sum is σ = 425760480. Its totient is φ = 169356096.

The previous prime is 285047051. The next prime is 285047071. The reversal of 285047061 is 160740582.

It is an interprime number because it is at equal distance from previous prime (285047051) and next prime (285047071).

It is not a de Polignac number, because 285047061 - 2⁶ = 285046997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285047051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5010 + ... + 24396.

It is an arithmetic number, because the mean of its divisors is an integer number (17740020).

Almost surely, 2^285047061 is an apocalyptic number.

It is an amenable number.

285047061 is a deficient number, since it is larger than the sum of its proper divisors (140713419).

285047061 is a wasteful number, since it uses less digits than its factorization.

285047061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19445 (or 19432 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 285047061 is about 16883.3367851263. The cubic root of 285047061 is about 658.1206568834.

The spelling of 285047061 in words is "two hundred eighty-five million, forty-seven thousand, sixty-one".