2560499 has 2 divisors, whose sum is σ = 2560500. Its totient is φ = 2560498.

The previous prime is 2560487. The next prime is 2560517. The reversal of 2560499 is 9940652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2560499 - 2¹² = 2556403 is a prime.

It is a Chen prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (2560099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1280249 + 1280250.

It is an arithmetic number, because the mean of its divisors is an integer number (1280250).

2^2560499 is an apocalyptic number.

2560499 is a deficient number, since it is larger than the sum of its proper divisors (1).

2560499 is an equidigital number, since it uses as much as digits as its factorization.

2560499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 2560499 is about 1600.1559299018. The cubic root of 2560499 is about 136.8069634692.

The spelling of 2560499 in words is "two million, five hundred sixty thousand, four hundred ninety-nine".