280252559 has 2 divisors, whose sum is σ = 280252560. Its totient is φ = 280252558.

The previous prime is 280252529. The next prime is 280252573. The reversal of 280252559 is 955252082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 280252559 - 2¹⁶ = 280187023 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (280252519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140126279 + 140126280.

It is an arithmetic number, because the mean of its divisors is an integer number (140126280).

Almost surely, 2^280252559 is an apocalyptic number.

280252559 is a deficient number, since it is larger than the sum of its proper divisors (1).

280252559 is an equidigital number, since it uses as much as digits as its factorization.

280252559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72000, while the sum is 38.

The square root of 280252559 is about 16740.7454732458. The cubic root of 280252559 is about 654.4099022686.

The spelling of 280252559 in words is "two hundred eighty million, two hundred fifty-two thousand, five hundred fifty-nine".