2050009 has 8 divisors (see below), whose sum is σ = 2230592. Its totient is φ = 1872720.

The previous prime is 2050007. The next prime is 2050021. The reversal of 2050009 is 9000502.

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

It is a cyclic number.

It is not a de Polignac number, because 2050009 - 2¹ = 2050007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2049974 and 2050001.

It is not an unprimeable number, because it can be changed into a prime (2050007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574 + ... + 2104.

It is an arithmetic number, because the mean of its divisors is an integer number (278824).

2^2050009 is an apocalyptic number.

It is an amenable number.

2050009 is a deficient number, since it is larger than the sum of its proper divisors (180583).

2050009 is a wasteful number, since it uses less digits than its factorization.

2050009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 2050009 is about 1431.7852492605. The cubic root of 2050009 is about 127.0335951795.

The spelling of 2050009 in words is "two million, fifty thousand, nine".