2030657 has 2 divisors, whose sum is σ = 2030658. Its totient is φ = 2030656.

The previous prime is 2030653. The next prime is 2030659. The reversal of 2030657 is 7560302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1048576 + 982081 = 1024^2 + 991^2 .

It is a cyclic number.

It is not a de Polignac number, because 2030657 - 2² = 2030653 is a prime.

Together with 2030659, 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 (2030653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015328 + 1015329.

It is an arithmetic number, because the mean of its divisors is an integer number (1015329).

2^2030657 is an apocalyptic number.

It is an amenable number.

2030657 is a deficient number, since it is larger than the sum of its proper divisors (1).

2030657 is an equidigital number, since it uses as much as digits as its factorization.

2030657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 2030657 is about 1425.0112280259. The cubic root of 2030657 is about 126.6326001031.

Adding to 2030657 its reverse (7560302), we get a palindrome (9590959).

The spelling of 2030657 in words is "two million, thirty thousand, six hundred fifty-seven".