519478087 has 2 divisors, whose sum is σ = 519478088. Its totient is φ = 519478086.

The previous prime is 519478051. The next prime is 519478093. The reversal of 519478087 is 780874915.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 519478087 - 2¹¹ = 519476039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 519478087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (519478007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259739043 + 259739044.

It is an arithmetic number, because the mean of its divisors is an integer number (259739044).

Almost surely, 2^519478087 is an apocalyptic number.

519478087 is a deficient number, since it is larger than the sum of its proper divisors (1).

519478087 is an equidigital number, since it uses as much as digits as its factorization.

519478087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 49.

The square root of 519478087 is about 22792.0619295403. The cubic root of 519478087 is about 803.8760271668.

The spelling of 519478087 in words is "five hundred nineteen million, four hundred seventy-eight thousand, eighty-seven".