280604520901 has 2 divisors, whose sum is σ = 280604520902. Its totient is φ = 280604520900.

The previous prime is 280604520877. The next prime is 280604520929. The reversal of 280604520901 is 109025406082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153251892676 + 127352628225 = 391474^2 + 356865^2 .

It is a cyclic number.

It is not a de Polignac number, because 280604520901 - 2⁷ = 280604520773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (280604520941) 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, 140302260450 + 140302260451.

It is an arithmetic number, because the mean of its divisors is an integer number (140302260451).

Almost surely, 2^280604520901 is an apocalyptic number.

It is an amenable number.

280604520901 is a deficient number, since it is larger than the sum of its proper divisors (1).

280604520901 is an equidigital number, since it uses as much as digits as its factorization.

280604520901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 37.

Adding to 280604520901 its reverse (109025406082), we get a palindrome (389629926983).

The spelling of 280604520901 in words is "two hundred eighty billion, six hundred four million, five hundred twenty thousand, nine hundred one".