282993485 has 4 divisors (see below), whose sum is σ = 339592188. Its totient is φ = 226394784.

The previous prime is 282993481. The next prime is 282993497. The reversal of 282993485 is 584399282.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 584399282 = 2 ⋅292199641.

It can be written as a sum of positive squares in 2 ways, for example, as 56220004 + 226773481 = 7498^2 + 15059^2 .

It is a cyclic number.

It is not a de Polignac number, because 282993485 - 2² = 282993481 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (282993481) 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, 28299344 + ... + 28299353.

It is an arithmetic number, because the mean of its divisors is an integer number (84898047).

Almost surely, 2^282993485 is an apocalyptic number.

It is an amenable number.

282993485 is a deficient number, since it is larger than the sum of its proper divisors (56598703).

282993485 is an equidigital number, since it uses as much as digits as its factorization.

282993485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56598702.

The product of its digits is 1244160, while the sum is 50.

The square root of 282993485 is about 16822.4102018706. The cubic root of 282993485 is about 656.5364045717.

The spelling of 282993485 in words is "two hundred eighty-two million, nine hundred ninety-three thousand, four hundred eighty-five".