280597841 has 2 divisors, whose sum is σ = 280597842. Its totient is φ = 280597840.

The previous prime is 280597789. The next prime is 280597879. The reversal of 280597841 is 148795082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210105025 + 70492816 = 14495^2 + 8396^2 .

It is a cyclic number.

It is not a de Polignac number, because 280597841 - 2⁶ = 280597777 is a prime.

It is a super-2 number, since 2×280597841² = 157470296747722562, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 280597792 and 280597801.

It is not a weakly prime, because it can be changed into another prime (280591841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140298920 + 140298921.

It is an arithmetic number, because the mean of its divisors is an integer number (140298921).

Almost surely, 2^280597841 is an apocalyptic number.

It is an amenable number.

280597841 is a deficient number, since it is larger than the sum of its proper divisors (1).

280597841 is an equidigital number, since it uses as much as digits as its factorization.

280597841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 280597841 is about 16751.0549220042. The cubic root of 280597841 is about 654.6785447491.

The spelling of 280597841 in words is "two hundred eighty million, five hundred ninety-seven thousand, eight hundred forty-one".