280982441 has 2 divisors, whose sum is σ = 280982442. Its totient is φ = 280982440.

The previous prime is 280982437. The next prime is 280982447. The reversal of 280982441 is 144289082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 224130841 + 56851600 = 14971^2 + 7540^2 .

It is a cyclic number.

It is not a de Polignac number, because 280982441 - 2² = 280982437 is a prime.

It is a super-2 number, since 2×280982441² = 157902264300636962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 280982395 and 280982404.

It is not a weakly prime, because it can be changed into another prime (280982447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140491220 + 140491221.

It is an arithmetic number, because the mean of its divisors is an integer number (140491221).

Almost surely, 2^280982441 is an apocalyptic number.

It is an amenable number.

280982441 is a deficient number, since it is larger than the sum of its proper divisors (1).

280982441 is an equidigital number, since it uses as much as digits as its factorization.

280982441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 280982441 is about 16762.5308649977. The cubic root of 280982441 is about 654.9775187980.

The spelling of 280982441 in words is "two hundred eighty million, nine hundred eighty-two thousand, four hundred forty-one".