280852487 has 2 divisors, whose sum is σ = 280852488. Its totient is φ = 280852486.

The previous prime is 280852463. The next prime is 280852511. The reversal of 280852487 is 784258082.

It is a balanced prime because it is at equal distance from previous prime (280852463) and next prime (280852511).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-280852487 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 (280852447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140426243 + 140426244.

It is an arithmetic number, because the mean of its divisors is an integer number (140426244).

Almost surely, 2^280852487 is an apocalyptic number.

280852487 is a deficient number, since it is larger than the sum of its proper divisors (1).

280852487 is an equidigital number, since it uses as much as digits as its factorization.

280852487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 286720, while the sum is 44.

The square root of 280852487 is about 16758.6540927367. The cubic root of 280852487 is about 654.8765278206.

The spelling of 280852487 in words is "two hundred eighty million, eight hundred fifty-two thousand, four hundred eighty-seven".