2030551 has 4 divisors (see below), whose sum is σ = 2100600. Its totient is φ = 1960504.

The previous prime is 2030533. The next prime is 2030563. The reversal of 2030551 is 1550302.

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

It is a cyclic number.

It is not a de Polignac number, because 2030551 - 2¹¹ = 2028503 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030591) 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 3 ways as a sum of consecutive naturals, for example, 34981 + ... + 35038.

It is an arithmetic number, because the mean of its divisors is an integer number (525150).

2^2030551 is an apocalyptic number.

2030551 is a deficient number, since it is larger than the sum of its proper divisors (70049).

2030551 is an equidigital number, since it uses as much as digits as its factorization.

2030551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70048.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 2030551 is about 1424.9740348512. The cubic root of 2030551 is about 126.6303966637.

Adding to 2030551 its reverse (1550302), we get a palindrome (3580853).

Subtracting from 2030551 its reverse (1550302), we obtain a square (480249 = 693²).

The spelling of 2030551 in words is "two million, thirty thousand, five hundred fifty-one".