283055481 has 24 divisors (see below), whose sum is σ = 416445120. Its totient is φ = 185232096.

The previous prime is 283055477. The next prime is 283055489. The reversal of 283055481 is 184550382.

It is a happy number.

283055481 is a `hidden beast` number, since 28 + 3 + 0 + 554 + 81 = 666.

It is not a de Polignac number, because 283055481 - 2² = 283055477 is a prime.

It is a super-2 number, since 2×283055481² = 160240810648282722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (283055489) 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, 123615 + ... + 125883.

It is an arithmetic number, because the mean of its divisors is an integer number (17351880).

Almost surely, 2^283055481 is an apocalyptic number.

It is an amenable number.

283055481 is a deficient number, since it is larger than the sum of its proper divisors (133389639).

283055481 is a wasteful number, since it uses less digits than its factorization.

283055481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525 (or 2522 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 283055481 is about 16824.2527620100. The cubic root of 283055481 is about 656.5843440252.

It can be divided in two parts, 2830 and 55481, that added together give a triangular number (58311 = T₃₄₁).

The spelling of 283055481 in words is "two hundred eighty-three million, fifty-five thousand, four hundred eighty-one".