2030442257 has 2 divisors, whose sum is σ = 2030442258. Its totient is φ = 2030442256.

The previous prime is 2030442217. The next prime is 2030442259. The reversal of 2030442257 is 7522440302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1804210576 + 226231681 = 42476^2 + 15041^2 .

It is a cyclic number.

It is not a de Polignac number, because 2030442257 - 2¹⁰ = 2030441233 is a prime.

It is a super-2 number, since 2×2030442257² = 8245391518022508098, which contains 22 as substring.

Together with 2030442259, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2030442259) 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 as a sum of consecutive naturals, namely, 1015221128 + 1015221129.

It is an arithmetic number, because the mean of its divisors is an integer number (1015221129).

Almost surely, 2^2030442257 is an apocalyptic number.

It is an amenable number.

2030442257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2030442257 is an equidigital number, since it uses as much as digits as its factorization.

2030442257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 2030442257 is about 45060.4289482468. The cubic root of 2030442257 is about 1266.2813612536.

Adding to 2030442257 its reverse (7522440302), we get a palindrome (9552882559).

The spelling of 2030442257 in words is "two billion, thirty million, four hundred forty-two thousand, two hundred fifty-seven".