499490587 has 2 divisors, whose sum is σ = 499490588. Its totient is φ = 499490586.

The previous prime is 499490581. The next prime is 499490671. The reversal of 499490587 is 785094994.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499490587 is a prime.

It is not a weakly prime, because it can be changed into another prime (499490581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249745293 + 249745294.

It is an arithmetic number, because the mean of its divisors is an integer number (249745294).

Almost surely, 2^499490587 is an apocalyptic number.

499490587 is a deficient number, since it is larger than the sum of its proper divisors (1).

499490587 is an equidigital number, since it uses as much as digits as its factorization.

499490587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The square root of 499490587 is about 22349.2860512366. The cubic root of 499490587 is about 793.4308868142.

The spelling of 499490587 in words is "four hundred ninety-nine million, four hundred ninety thousand, five hundred eighty-seven".