2086519 has 2 divisors, whose sum is σ = 2086520. Its totient is φ = 2086518.

The previous prime is 2086507. The next prime is 2086543. The reversal of 2086519 is 9156802.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2086519 is a prime.

It is a super-2 number, since 2×2086519² = 8707123074722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2086549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1043259 + 1043260.

It is an arithmetic number, because the mean of its divisors is an integer number (1043260).

2^2086519 is an apocalyptic number.

2086519 is a deficient number, since it is larger than the sum of its proper divisors (1).

2086519 is an equidigital number, since it uses as much as digits as its factorization.

2086519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 2086519 is about 1444.4787987368. The cubic root of 2086519 is about 127.7833044168.

The spelling of 2086519 in words is "two million, eighty-six thousand, five hundred nineteen".