280972051 has 2 divisors, whose sum is σ = 280972052. Its totient is φ = 280972050.

The previous prime is 280972009. The next prime is 280972079. The reversal of 280972051 is 150279082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 280972051 - 2¹¹ = 280970003 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 280971998 and 280972016.

It is not a weakly prime, because it can be changed into another prime (280972091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140486025 + 140486026.

It is an arithmetic number, because the mean of its divisors is an integer number (140486026).

Almost surely, 2^280972051 is an apocalyptic number.

280972051 is a deficient number, since it is larger than the sum of its proper divisors (1).

280972051 is an equidigital number, since it uses as much as digits as its factorization.

280972051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 280972051 is about 16762.2209447316. The cubic root of 280972051 is about 654.9694455766.

The spelling of 280972051 in words is "two hundred eighty million, nine hundred seventy-two thousand, fifty-one".