2050045 has 4 divisors (see below), whose sum is σ = 2460060. Its totient is φ = 1640032.

The previous prime is 2050033. The next prime is 2050057. The reversal of 2050045 is 5400502.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (2050033) and next prime (2050057).

It can be written as a sum of positive squares in 2 ways, for example, as 1279161 + 770884 = 1131^2 + 878^2 .

It is a cyclic number.

It is not a de Polignac number, because 2050045 - 2⁹ = 2049533 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205000 + ... + 205009.

It is an arithmetic number, because the mean of its divisors is an integer number (615015).

2^2050045 is an apocalyptic number.

It is an amenable number.

2050045 is a deficient number, since it is larger than the sum of its proper divisors (410015).

2050045 is an equidigital number, since it uses as much as digits as its factorization.

2050045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410014.

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 2050045 is about 1431.7978209231. The cubic root of 2050045 is about 127.0343387832.

Adding to 2050045 its reverse (5400502), we get a palindrome (7450547).

The spelling of 2050045 in words is "two million, fifty thousand, forty-five".