99519 has 12 divisors (see below), whose sum is σ = 154584. Its totient is φ = 56784.

The previous prime is 99497. The next prime is 99523. The reversal of 99519 is 91599.

It is not a de Polignac number, because 99519 - 2⁵ = 99487 is a prime.

It is a super-2 number, since 2×99519² = 19808062722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 99519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192 + ... + 485.

It is an arithmetic number, because the mean of its divisors is an integer number (12882).

2⁹⁹⁵¹⁹ is an apocalyptic number.

99519 is a deficient number, since it is larger than the sum of its proper divisors (55065).

99519 is a wasteful number, since it uses less digits than its factorization.

99519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694 (or 687 counting only the distinct ones).

The product of its digits is 3645, while the sum is 33.

The square root of 99519 is about 315.4663214988. The cubic root of 99519 is about 46.3413485550.

The spelling of 99519 in words is "ninety-nine thousand, five hundred nineteen".