2030557 has 4 divisors (see below), whose sum is σ = 2038716. Its totient is φ = 2022400.

The previous prime is 2030533. The next prime is 2030563. The reversal of 2030557 is 7550302.

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 1779556 + 251001 = 1334^2 + 501^2 .

It is a cyclic number.

It is not a de Polignac number, because 2030557 - 2¹⁹ = 1506269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030527) 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, 3694 + ... + 4207.

It is an arithmetic number, because the mean of its divisors is an integer number (509679).

2^2030557 is an apocalyptic number.

It is an amenable number.

2030557 is a deficient number, since it is larger than the sum of its proper divisors (8159).

2030557 is an equidigital number, since it uses as much as digits as its factorization.

2030557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8158.

The product of its (nonzero) digits is 1050, while the sum is 22.

The square root of 2030557 is about 1424.9761401511. The cubic root of 2030557 is about 126.6305213887.

Adding to 2030557 its reverse (7550302), we get a palindrome (9580859).

The spelling of 2030557 in words is "two million, thirty thousand, five hundred fifty-seven".