2050001 has 4 divisors (see below), whose sum is σ = 2054052. Its totient is φ = 2045952.

The previous prime is 2049991. The next prime is 2050007. The reversal of 2050001 is 1000502.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 490000 + 1560001 = 700^2 + 1249^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2050001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2050007) 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 3 ways as a sum of consecutive naturals, for example, 1136 + ... + 2321.

It is an arithmetic number, because the mean of its divisors is an integer number (513513).

2^2050001 is an apocalyptic number.

It is an amenable number.

2050001 is a deficient number, since it is larger than the sum of its proper divisors (4051).

2050001 is an equidigital number, since it uses as much as digits as its factorization.

2050001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4050.

The product of its (nonzero) digits is 10, while the sum is 8.

The square root of 2050001 is about 1431.7824555427. The cubic root of 2050001 is about 127.0334299331.

Adding to 2050001 its reverse (1000502), we get a palindrome (3050503).

The spelling of 2050001 in words is "two million, fifty thousand, one".