2005519 has 2 divisors, whose sum is σ = 2005520. Its totient is φ = 2005518.

The previous prime is 2005499. The next prime is 2005547. The reversal of 2005519 is 9155002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2005519 - 2¹¹ = 2003471 is a prime.

It is a super-2 number, since 2×2005519² = 8044212918722, 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 2005519.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2005559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002759 + 1002760.

It is an arithmetic number, because the mean of its divisors is an integer number (1002760).

2^2005519 is an apocalyptic number.

2005519 is a deficient number, since it is larger than the sum of its proper divisors (1).

2005519 is an equidigital number, since it uses as much as digits as its factorization.

2005519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 2005519 is about 1416.1634792636. The cubic root of 2005519 is about 126.1078902894.

The spelling of 2005519 in words is "two million, five thousand, five hundred nineteen".