280672103 has 2 divisors, whose sum is σ = 280672104. Its totient is φ = 280672102.

The previous prime is 280672099. The next prime is 280672111. The reversal of 280672103 is 301276082.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 280672103 - 2² = 280672099 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (280672003) 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, 140336051 + 140336052.

It is an arithmetic number, because the mean of its divisors is an integer number (140336052).

Almost surely, 2^280672103 is an apocalyptic number.

280672103 is a deficient number, since it is larger than the sum of its proper divisors (1).

280672103 is an equidigital number, since it uses as much as digits as its factorization.

280672103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 280672103 is about 16753.2714118765. The cubic root of 280672103 is about 654.7362945991.

The spelling of 280672103 in words is "two hundred eighty million, six hundred seventy-two thousand, one hundred three".