2069559 has 12 divisors (see below), whose sum is σ = 3005496. Its totient is φ = 1372272.

The previous prime is 2069549. The next prime is 2069569. The reversal of 2069559 is 9559602.

It is an interprime number because it is at equal distance from previous prime (2069549) and next prime (2069569).

It is not a de Polignac number, because 2069559 - 2⁹ = 2069047 is a prime.

2069559 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2069519) 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 in 11 ways as a sum of consecutive naturals, for example, 1537 + ... + 2549.

It is an arithmetic number, because the mean of its divisors is an integer number (250458).

2^2069559 is an apocalyptic number.

2069559 is a deficient number, since it is larger than the sum of its proper divisors (935937).

2069559 is a wasteful number, since it uses less digits than its factorization.

2069559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246 (or 1243 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 2069559 is about 1438.5961907360. The cubic root of 2069559 is about 127.4361387225.

Adding to 2069559 its sum of digits (36), we get a triangular number (2069595 = T₂₀₃₄).

It can be divided in two parts, 2069 and 559, that added together give a triangular number (2628 = T₇₂).

The spelling of 2069559 in words is "two million, sixty-nine thousand, five hundred fifty-nine".