281492082 has 12 divisors (see below), whose sum is σ = 609899550. Its totient is φ = 93830688.

The previous prime is 281492077. The next prime is 281492083. The reversal of 281492082 is 280294182.

281492082 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 276523641 + 4968441 = 16629^2 + 2229^2 .

It is a super-3 number, since 3×281492082³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (281492083) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7819207 + ... + 7819242.

Almost surely, 2^281492082 is an apocalyptic number.

281492082 is an abundant number, since it is smaller than the sum of its proper divisors (328407468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

281492082 is a wasteful number, since it uses less digits than its factorization.

281492082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15638457 (or 15638454 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 281492082 is about 16777.7257696030. The cubic root of 281492082 is about 655.3732751829.

The spelling of 281492082 in words is "two hundred eighty-one million, four hundred ninety-two thousand, eighty-two".