2113519 has 4 divisors (see below), whose sum is σ = 2116800. Its totient is φ = 2110240.

The previous prime is 2113513. The next prime is 2113523. The reversal of 2113519 is 9153112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2113519 - 2³ = 2113511 is a prime.

It is a super-2 number, since 2×2113519² = 8933925126722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2113519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319 + ... + 2080.

It is an arithmetic number, because the mean of its divisors is an integer number (529200).

2^2113519 is an apocalyptic number.

2113519 is a deficient number, since it is larger than the sum of its proper divisors (3281).

2113519 is an equidigital number, since it uses as much as digits as its factorization.

2113519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3280.

The product of its digits is 270, while the sum is 22.

The square root of 2113519 is about 1453.7946897688. The cubic root of 2113519 is about 128.3321249488.

The spelling of 2113519 in words is "two million, one hundred thirteen thousand, five hundred nineteen".