499994587 has 2 divisors, whose sum is σ = 499994588. Its totient is φ = 499994586.

The previous prime is 499994569. The next prime is 499994591. The reversal of 499994587 is 785499994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 499994587 - 2⁷ = 499994459 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (499994087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249997293 + 249997294.

It is an arithmetic number, because the mean of its divisors is an integer number (249997294).

Almost surely, 2^499994587 is an apocalyptic number.

499994587 is a deficient number, since it is larger than the sum of its proper divisors (1).

499994587 is an equidigital number, since it uses as much as digits as its factorization.

499994587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29393280, while the sum is 64.

The square root of 499994587 is about 22360.5587363107. The cubic root of 499994587 is about 793.6976617731.

The spelling of 499994587 in words is "four hundred ninety-nine million, nine hundred ninety-four thousand, five hundred eighty-seven".