280982459 has 2 divisors, whose sum is σ = 280982460. Its totient is φ = 280982458.

The previous prime is 280982447. The next prime is 280982483. The reversal of 280982459 is 954289082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 280982459 - 2²⁴ = 264205243 is a prime.

It is a super-2 number, since 2×280982459² = 157902284531373362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (280982059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140491229 + 140491230.

It is an arithmetic number, because the mean of its divisors is an integer number (140491230).

Almost surely, 2^280982459 is an apocalyptic number.

280982459 is a deficient number, since it is larger than the sum of its proper divisors (1).

280982459 is an equidigital number, since it uses as much as digits as its factorization.

280982459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 280982459 is about 16762.5314019094. The cubic root of 280982459 is about 654.9775327841.

The spelling of 280982459 in words is "two hundred eighty million, nine hundred eighty-two thousand, four hundred fifty-nine".