519085491 has 8 divisors (see below), whose sum is σ = 728541120. Its totient is φ = 327843432.

The previous prime is 519085477. The next prime is 519085507. The reversal of 519085491 is 194580915.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 519085491 - 2¹⁹ = 518561203 is a prime.

It is a super-2 number, since 2×519085491² = 538899493933422162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (519085451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4553325 + ... + 4553438.

It is an arithmetic number, because the mean of its divisors is an integer number (91067640).

Almost surely, 2^519085491 is an apocalyptic number.

519085491 is a deficient number, since it is larger than the sum of its proper divisors (209455629).

519085491 is a wasteful number, since it uses less digits than its factorization.

519085491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9106785.

The product of its (nonzero) digits is 64800, while the sum is 42.

The square root of 519085491 is about 22783.4477417269. The cubic root of 519085491 is about 803.6734661358.

The spelling of 519085491 in words is "five hundred nineteen million, eighty-five thousand, four hundred ninety-one".