200912057 has 2 divisors, whose sum is σ = 200912058. Its totient is φ = 200912056.

The previous prime is 200912027. The next prime is 200912059. The reversal of 200912057 is 750219002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196672576 + 4239481 = 14024^2 + 2059^2 .

It is a cyclic number.

It is not a de Polignac number, because 200912057 - 2¹⁰ = 200911033 is a prime.

Together with 200912059, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_11126717 and since 200912057 and 11126717 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (200912059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100456028 + 100456029.

It is an arithmetic number, because the mean of its divisors is an integer number (100456029).

Almost surely, 2^200912057 is an apocalyptic number.

It is an amenable number.

200912057 is a deficient number, since it is larger than the sum of its proper divisors (1).

200912057 is an equidigital number, since it uses as much as digits as its factorization.

200912057 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 26.

The square root of 200912057 is about 14174.3450289599. The cubic root of 200912057 is about 585.6911567054.

The spelling of 200912057 in words is "two hundred million, nine hundred twelve thousand, fifty-seven".