286065481 has 4 divisors (see below), whose sum is σ = 308070532. Its totient is φ = 264060432.

The previous prime is 286065457. The next prime is 286065497. The reversal of 286065481 is 184560682.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 102191881 + 183873600 = 10109^2 + 13560^2 .

It is a cyclic number.

It is not a de Polignac number, because 286065481 - 2²³ = 277676873 is a prime.

It is a super-2 number, since 2×286065481² = 163666918839522722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (286065281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11002506 + ... + 11002531.

It is an arithmetic number, because the mean of its divisors is an integer number (77017633).

Almost surely, 2^286065481 is an apocalyptic number.

It is an amenable number.

286065481 is a deficient number, since it is larger than the sum of its proper divisors (22005051).

286065481 is a wasteful number, since it uses less digits than its factorization.

286065481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22005050.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 286065481 is about 16913.4704008373. The cubic root of 286065481 is about 658.9035060962.

The spelling of 286065481 in words is "two hundred eighty-six million, sixty-five thousand, four hundred eighty-one".