2560487 has 2 divisors, whose sum is σ = 2560488. Its totient is φ = 2560486.

The previous prime is 2560471. The next prime is 2560499. The reversal of 2560487 is 7840652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2560487 - 2⁴ = 2560471 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 (2560417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1280243 + 1280244.

It is an arithmetic number, because the mean of its divisors is an integer number (1280244).

2^2560487 is an apocalyptic number.

2560487 is a deficient number, since it is larger than the sum of its proper divisors (1).

2560487 is an equidigital number, since it uses as much as digits as its factorization.

2560487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 2560487 is about 1600.1521802629. The cubic root of 2560487 is about 136.8067497496.

The spelling of 2560487 in words is "two million, five hundred sixty thousand, four hundred eighty-seven".