2159519 has 2 divisors, whose sum is σ = 2159520. Its totient is φ = 2159518.

The previous prime is 2159513. The next prime is 2159533. The reversal of 2159519 is 9159512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2159519 - 2¹² = 2155423 is a prime.

It is a super-2 number, since 2×2159519² = 9327044622722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2159513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1079759 + 1079760.

It is an arithmetic number, because the mean of its divisors is an integer number (1079760).

2^2159519 is an apocalyptic number.

2159519 is a deficient number, since it is larger than the sum of its proper divisors (1).

2159519 is an equidigital number, since it uses as much as digits as its factorization.

2159519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4050, while the sum is 32.

The square root of 2159519 is about 1469.5301970358. The cubic root of 2159519 is about 129.2564854758.

The spelling of 2159519 in words is "two million, one hundred fifty-nine thousand, five hundred nineteen".