519916085 has 16 divisors (see below), whose sum is σ = 673060080. Its totient is φ = 383270400.

The previous prime is 519916069. The next prime is 519916099. The reversal of 519916085 is 580619915.

It can be written as a sum of positive squares in 8 ways, for example, as 89851441 + 430064644 = 9479^2 + 20738^2 .

It is not a de Polignac number, because 519916085 - 2⁴ = 519916069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32411 + ... + 45719.

It is an arithmetic number, because the mean of its divisors is an integer number (42066255).

Almost surely, 2^519916085 is an apocalyptic number.

It is an amenable number.

519916085 is a deficient number, since it is larger than the sum of its proper divisors (153143995).

519916085 is a wasteful number, since it uses less digits than its factorization.

519916085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13928.

The product of its (nonzero) digits is 97200, while the sum is 44.

The square root of 519916085 is about 22801.6684696537. The cubic root of 519916085 is about 804.1018930828.

The spelling of 519916085 in words is "five hundred nineteen million, nine hundred sixteen thousand, eighty-five".