2029561 has 8 divisors (see below), whose sum is σ = 2194880. Its totient is φ = 1870128.

The previous prime is 2029549. The next prime is 2029567. The reversal of 2029561 is 1659202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2029561 - 2¹¹ = 2027513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2029567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 741 + ... + 2146.

It is an arithmetic number, because the mean of its divisors is an integer number (274360).

2^2029561 is an apocalyptic number.

It is an amenable number.

2029561 is a deficient number, since it is larger than the sum of its proper divisors (165319).

2029561 is a wasteful number, since it uses less digits than its factorization.

2029561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2943.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 2029561 is about 1424.6266177494. The cubic root of 2029561 is about 126.6098136672.

The spelling of 2029561 in words is "two million, twenty-nine thousand, five hundred sixty-one".